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137912168448 = 2123237101111
BaseRepresentation
bin1000000001110000110…
…1001011000000000000
3111011222100002001021200
42000130031023000000
54224421003342243
6143204520221200
712651410042565
oct2003415130000
9434870061250
10137912168448
115354090741a
122288a60a800
131000b174a02
14696422c86c
1538c27aead3
hex201c34b000

137912168448 has 156 divisors (see below), whose sum is σ = 409134945648. Its totient is φ = 44727828480.

The previous prime is 137912168447. The next prime is 137912168461. The reversal of 137912168448 is 844861219731.

137912168448 is a `hidden beast` number, since 1 + 3 + 79 + 121 + 6 + 8 + 448 = 666.

It is a super-3 number, since 3×1379121684483 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137912168394 and 137912168403.

It is not an unprimeable number, because it can be changed into a prime (137912168447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1313413 + ... + 1414523.

It is an arithmetic number, because the mean of its divisors is an integer number (2622659908).

Almost surely, 2137912168448 is an apocalyptic number.

137912168448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137912168448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204567472824).

137912168448 is an abundant number, since it is smaller than the sum of its proper divisors (271222777200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137912168448 is a wasteful number, since it uses less digits than its factorization.

137912168448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101178 (or 101153 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 137912168448 in words is "one hundred thirty-seven billion, nine hundred twelve million, one hundred sixty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 64 72 74 96 111 128 144 148 192 222 256 288 296 333 384 444 512 576 592 666 768 888 1024 1152 1184 1332 1536 1776 2048 2304 2368 2664 3072 3552 4096 4608 4736 5328 6144 7104 9216 9472 10656 12288 14208 18432 18944 21312 28416 36864 37888 42624 56832 75776 85248 101111 113664 151552 170496 202222 227328 303333 340992 404444 454656 606666 681984 808888 909999 1213332 1363968 1617776 1819998 2426664 3235552 3639996 3741107 4853328 6471104 7279992 7482214 9706656 11223321 12942208 14559984 14964428 19413312 22446642 25884416 29119968 29928856 33669963 38826624 44893284 51768832 58239936 59857712 67339926 77653248 89786568 103537664 116479872 119715424 134679852 155306496 179573136 207075328 232959744 239430848 269359704 310612992 359146272 414150656 465919488 478861696 538719408 621225984 718292544 931838976 957723392 1077438816 1242451968 1436585088 1863677952 1915446784 2154877632 2873170176 3727355904 3830893568 4309755264 5746340352 7661787136 8619510528 11492680704 15323574272 17239021056 22985361408 34478042112 45970722816 68956084224 137912168448