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157808048057 = 1114346186187
BaseRepresentation
bin1001001011111000010…
…1111011011110111001
3120002022220200110012122
42102332011323132321
510041142330014212
6200255050051025
714254426163522
oct2227605733671
9502286613178
10157808048057
1160a20590230
1226701719a75
1311b5c0c553a
1478d076d849
154189310272
hex24be17b7b9

157808048057 has 4 divisors (see below), whose sum is σ = 172154234256. Its totient is φ = 143461861860.

The previous prime is 157808047979. The next prime is 157808048113. The reversal of 157808048057 is 750840808751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157808048057 - 220 = 157806999481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157808068057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7173093083 + ... + 7173093104.

It is an arithmetic number, because the mean of its divisors is an integer number (43038558564).

Almost surely, 2157808048057 is an apocalyptic number.

It is an amenable number.

157808048057 is a deficient number, since it is larger than the sum of its proper divisors (14346186199).

157808048057 is a wasteful number, since it uses less digits than its factorization.

157808048057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346186198.

The product of its (nonzero) digits is 2508800, while the sum is 53.

The spelling of 157808048057 in words is "one hundred fifty-seven billion, eight hundred eight million, forty-eight thousand, fifty-seven".

Divisors: 1 11 14346186187 157808048057