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151027857 = 3216780873
BaseRepresentation
bin10010000000010…
…00000010010001
3101112012000021100
421000020002101
5302130342412
622553015013
73512500311
oct1100100221
9345160240
10151027857
1178284512
12426b4469
132539b9c6
14160b5441
15d3d3edc
hex9008091

151027857 has 6 divisors (see below), whose sum is σ = 218151362. Its totient is φ = 100685232.

The previous prime is 151027843. The next prime is 151027859. The reversal of 151027857 is 758720151.

It can be written as a sum of positive squares in only one way, i.e., 150773841 + 254016 = 12279^2 + 504^2 .

It is not a de Polignac number, because 151027857 - 28 = 151027601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151027859) 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, 8390428 + ... + 8390445.

Almost surely, 2151027857 is an apocalyptic number.

It is an amenable number.

151027857 is a deficient number, since it is larger than the sum of its proper divisors (67123505).

151027857 is a wasteful number, since it uses less digits than its factorization.

151027857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16780879 (or 16780876 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The square root of 151027857 is about 12289.3391604268. The cubic root of 151027857 is about 532.5401464144.

The spelling of 151027857 in words is "one hundred fifty-one million, twenty-seven thousand, eight hundred fifty-seven".

Divisors: 1 3 9 16780873 50342619 151027857