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10087161563 = 12779426469
BaseRepresentation
bin10010110010011110…
…11101111011011011
3222000222202220022102
421121033131323123
5131124303132223
64344534514015
7504653313203
oct113117357333
928028686272
1010087161563
114306a37866
121b5620590b
13c49a8746b
146b9971403
153e0878928
hex2593ddedb

10087161563 has 4 divisors (see below), whose sum is σ = 10166588160. Its totient is φ = 10007734968.

The previous prime is 10087161529. The next prime is 10087161577. The reversal of 10087161563 is 36516178001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36516178001 = 144725235783.

It is a cyclic number.

It is not a de Polignac number, because 10087161563 - 212 = 10087157467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10087161163) 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, 39713108 + ... + 39713361.

It is an arithmetic number, because the mean of its divisors is an integer number (2541647040).

Almost surely, 210087161563 is an apocalyptic number.

10087161563 is a deficient number, since it is larger than the sum of its proper divisors (79426597).

10087161563 is an equidigital number, since it uses as much as digits as its factorization.

10087161563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79426596.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 10087161563 in words is "ten billion, eighty-seven million, one hundred sixty-one thousand, five hundred sixty-three".

Divisors: 1 127 79426469 10087161563