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131376745472 = 2107151121379
BaseRepresentation
bin111101001011010101…
…0100000110000000000
3110120002212112011100212
41322112222200300000
54123024421323342
6140204215333252
712330431624360
oct1722652406000
9416085464325
10131376745472
1150797825405
1221565981228
13c5091a071b
1465042869a0
15363db63182
hex1e96aa0c00

131376745472 has 88 divisors (see below), whose sum is σ = 302133269760. Its totient is φ = 55930982400.

The previous prime is 131376745463. The next prime is 131376745483. The reversal of 131376745472 is 274547673131.

It is a self number, because there is not a number n which added to its sum of digits gives 131376745472.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021679 + ... + 1143057.

Almost surely, 2131376745472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131376745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151066634880).

131376745472 is an abundant number, since it is smaller than the sum of its proper divisors (170756524288).

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

131376745472 is a wasteful number, since it uses less digits than its factorization.

131376745472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121557 (or 121539 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 50.

The spelling of 131376745472 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 151 224 256 302 448 512 604 896 1024 1057 1208 1792 2114 2416 3584 4228 4832 7168 8456 9664 16912 19328 33824 38656 67648 77312 121379 135296 154624 242758 270592 485516 541184 849653 971032 1082368 1699306 1942064 3398612 3884128 6797224 7768256 13594448 15536512 18328229 27188896 31073024 36656458 54377792 62146048 73312916 108755584 124292096 128297603 146625832 217511168 256595206 293251664 435022336 513190412 586503328 870044672 1026380824 1173006656 2052761648 2346013312 4105523296 4692026624 8211046592 9384053248 16422093184 18768106496 32844186368 65688372736 131376745472