Search a number
-
+
14156107920 = 2432544943789
BaseRepresentation
bin11010010111100010…
…10001000010010000
31100112120012210101100
431023301101002100
5212442430423140
610300410304400
71010541634443
oct151361210220
940476183340
1014156107920
116004832449
1228b0a28100
131447a68c26
1498411165a
1557cbbc530
hex34bc51090

14156107920 has 120 divisors (see below), whose sum is σ = 47647899000. Its totient is φ = 3766468608.

The previous prime is 14156107897. The next prime is 14156107993. The reversal of 14156107920 is 2970165141.

14156107920 is a `hidden beast` number, since 1 + 4 + 1 + 561 + 0 + 7 + 92 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4101633936 + 10054473984 = 64044^2 + 100272^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301386 + ... + 345174.

It is an arithmetic number, because the mean of its divisors is an integer number (397065825).

Almost surely, 214156107920 is an apocalyptic number.

14156107920 is a gapful number since it is divisible by the number (10) 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 14156107920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23823949500).

14156107920 is an abundant number, since it is smaller than the sum of its proper divisors (33491791080).

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

14156107920 is a wasteful number, since it uses less digits than its factorization.

14156107920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44257 (or 44248 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 14156107920 in words is "fourteen billion, one hundred fifty-six million, one hundred seven thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 449 720 898 1347 1796 2245 2694 3592 4041 4490 5388 6735 7184 8082 8980 10776 13470 16164 17960 20205 21552 26940 32328 35920 40410 43789 53880 64656 80820 87578 107760 131367 161640 175156 218945 262734 323280 350312 394101 437890 525468 656835 700624 788202 875780 1050936 1313670 1576404 1751560 1970505 2101872 2627340 3152808 3503120 3941010 5254680 6305616 7882020 10509360 15764040 19661261 31528080 39322522 58983783 78645044 98306305 117967566 157290088 176951349 196612610 235935132 294918915 314580176 353902698 393225220 471870264 589837830 707805396 786450440 884756745 943740528 1179675660 1415610792 1572900880 1769513490 2359351320 2831221584 3539026980 4718702640 7078053960 14156107920