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157088345121 = 3217454260569
BaseRepresentation
bin1001001001001100110…
…0011110110000100001
3120000110202102202101100
42102103030132300201
510033204104020441
6200055420225013
714230536621321
oct2222314366041
9500422382340
10157088345121
1160691303814
122654069b169
1311a75c78006
147862d47281
154146049cb6
hex249331ec21

157088345121 has 6 divisors (see below), whose sum is σ = 226905387410. Its totient is φ = 104725563408.

The previous prime is 157088345093. The next prime is 157088345149. The reversal of 157088345121 is 121543880751.

157088345121 is a `hidden beast` number, since 1 + 57 + 0 + 8 + 83 + 4 + 512 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (157088345093) and next prime (157088345149).

It can be written as a sum of positive squares in only one way, i.e., 100291922721 + 56796422400 = 316689^2 + 238320^2 .

It is not a de Polignac number, because 157088345121 - 214 = 157088328737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157088345171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8727130276 + ... + 8727130293.

Almost surely, 2157088345121 is an apocalyptic number.

It is an amenable number.

157088345121 is a deficient number, since it is larger than the sum of its proper divisors (69817042289).

157088345121 is a wasteful number, since it uses less digits than its factorization.

157088345121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17454260575 (or 17454260572 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 157088345121 in words is "one hundred fifty-seven billion, eighty-eight million, three hundred forty-five thousand, one hundred twenty-one".

Divisors: 1 3 9 17454260569 52362781707 157088345121