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159170039149 = 1121315454869
BaseRepresentation
bin1001010000111101000…
…1100000110101101101
3120012211211111202202011
42110033101200311231
510101440012223044
6201042142201221
714333245003162
oct2241721406555
9505754452664
10159170039149
116155a379300
1226a21883211
1312018326824
1479bd5ca069
154218b98134
hex250f460d6d

159170039149 has 6 divisors (see below), whose sum is σ = 174955497710. Its totient is φ = 144700035480.

The previous prime is 159170039089. The next prime is 159170039153. The reversal of 159170039149 is 941930071951.

It can be written as a sum of positive squares in only one way, i.e., 101866297225 + 57303741924 = 319165^2 + 239382^2 .

It is not a de Polignac number, because 159170039149 - 227 = 159035821421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159170037149) 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, 657727314 + ... + 657727555.

Almost surely, 2159170039149 is an apocalyptic number.

It is an amenable number.

159170039149 is a deficient number, since it is larger than the sum of its proper divisors (15785458561).

159170039149 is a wasteful number, since it uses less digits than its factorization.

159170039149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315454891 (or 1315454880 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 49.

The spelling of 159170039149 in words is "one hundred fifty-nine billion, one hundred seventy million, thirty-nine thousand, one hundred forty-nine".

Divisors: 1 11 121 1315454869 14470003559 159170039149