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70575464161 = 198735518603
BaseRepresentation
bin100000110111010100…
…0000001111011100001
320202011112012001022001
41001232220001323201
52124014304323121
652231045044001
75045632355506
oct1015650017341
9222145161261
1070575464161
1127a27011894
12118176b6601
1368697323a7
1435b72134ad
151c80dd3991
hex106ea01ee1

70575464161 has 4 divisors (see below), whose sum is σ = 70610984752. Its totient is φ = 70539943572.

The previous prime is 70575464137. The next prime is 70575464171. The reversal of 70575464161 is 16146457507.

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 70575464161 - 25 = 70575464129 is a prime.

It is a super-2 number, since 2×705754641612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70575464111) 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, 17757315 + ... + 17761288.

It is an arithmetic number, because the mean of its divisors is an integer number (17652746188).

Almost surely, 270575464161 is an apocalyptic number.

It is an amenable number.

70575464161 is a deficient number, since it is larger than the sum of its proper divisors (35520591).

70575464161 is a wasteful number, since it uses less digits than its factorization.

70575464161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35520590.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 70575464161 in words is "seventy billion, five hundred seventy-five million, four hundred sixty-four thousand, one hundred sixty-one".

Divisors: 1 1987 35518603 70575464161