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151275056161 = 161119389551
BaseRepresentation
bin1000110011100010110…
…0100010110000100001
3112110110121201002002211
42030320230202300201
54434302403244121
6153254513242121
713633510522105
oct2147054426041
9473417632084
10151275056161
1159178909779
1225399863341
131135a792968
147470c5b905
153e059e3ce1
hex2338b22c21

151275056161 has 4 divisors (see below), whose sum is σ = 151284461824. Its totient is φ = 151265650500.

The previous prime is 151275056131. The next prime is 151275056173. The reversal of 151275056161 is 161650572151.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161650572151 = 730392213209.

It is a cyclic number.

It is not a de Polignac number, because 151275056161 - 217 = 151274925089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151275056131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4678665 + ... + 4710886.

It is an arithmetic number, because the mean of its divisors is an integer number (37821115456).

Almost surely, 2151275056161 is an apocalyptic number.

It is an amenable number.

151275056161 is a deficient number, since it is larger than the sum of its proper divisors (9405663).

151275056161 is an equidigital number, since it uses as much as digits as its factorization.

151275056161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405662.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 151275056161 in words is "one hundred fifty-one billion, two hundred seventy-five million, fifty-six thousand, one hundred sixty-one".

Divisors: 1 16111 9389551 151275056161