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10157253757 = 721923118523
BaseRepresentation
bin10010111010110101…
…10110010001111101
3222012212122221201121
421131122312101331
5131300224110012
64355521110541
7506464142500
oct113532662175
928185587647
1010157253757
1143425610a2
121b75788451
13c5b458c31
146c4db9137
153e6ac1a07
hex25d6b647d

10157253757 has 36 divisors (see below), whose sum is σ = 12873142656. Its totient is φ = 7981500240.

The previous prime is 10157253751. The next prime is 10157253781. The reversal of 10157253757 is 75735275101.

It is not a de Polignac number, because 10157253757 - 215 = 10157220989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10157253751) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 539098 + ... + 557620.

It is an arithmetic number, because the mean of its divisors is an integer number (357587296).

Almost surely, 210157253757 is an apocalyptic number.

It is an amenable number.

10157253757 is a deficient number, since it is larger than the sum of its proper divisors (2715888899).

10157253757 is a wasteful number, since it uses less digits than its factorization.

10157253757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606 (or 18580 counting only the distinct ones).

The product of its (nonzero) digits is 257250, while the sum is 43.

The spelling of 10157253757 in words is "ten billion, one hundred fifty-seven million, two hundred fifty-three thousand, seven hundred fifty-seven".

Divisors: 1 7 19 31 49 133 217 361 589 931 1519 2527 4123 11191 17689 18523 28861 78337 129661 351937 548359 574213 907627 2463559 4019491 6686803 10910047 17244913 28136437 46807621 76370329 207290893 327653347 534592303 1451036251 10157253757