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87193704201 = 329064568067
BaseRepresentation
bin101000100110100100…
…1100101011100001001
322100001200100002222220
41101031021211130021
52412033042013301
6104020051404253
76204512154102
oct1211511453411
9270050302886
1087193704201
1133a8463356a
1214a94bb3689
1382b75cc516
1443123193a9
152404ceb936
hex144d265709

87193704201 has 4 divisors (see below), whose sum is σ = 116258272272. Its totient is φ = 58129136132.

The previous prime is 87193704173. The next prime is 87193704217. The reversal of 87193704201 is 10240739178.

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 87193704201 - 227 = 87059486473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87193704271) 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, 14532284031 + ... + 14532284036.

It is an arithmetic number, because the mean of its divisors is an integer number (29064568068).

Almost surely, 287193704201 is an apocalyptic number.

It is an amenable number.

87193704201 is a deficient number, since it is larger than the sum of its proper divisors (29064568071).

87193704201 is a wasteful number, since it uses less digits than its factorization.

87193704201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29064568070.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 87193704201 in words is "eighty-seven billion, one hundred ninety-three million, seven hundred four thousand, two hundred one".

Divisors: 1 3 29064568067 87193704201