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65021160252 = 2235418430021
BaseRepresentation
bin111100100011100100…
…000010101100111100
320012211102210011201110
4330203210002230330
52031130404112002
645511553042020
74461166512606
oct744344025474
9205742704643
1065021160252
1125636828084
1210727556310
136192ab7329
14320b6a2176
151a58488e6c
hexf23902b3c

65021160252 has 12 divisors (see below), whose sum is σ = 151716040616. Its totient is φ = 21673720080.

The previous prime is 65021160223. The next prime is 65021160257. The reversal of 65021160252 is 25206112056.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65021160257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2709214999 + ... + 2709215022.

Almost surely, 265021160252 is an apocalyptic number.

It is an amenable number.

65021160252 is an abundant number, since it is smaller than the sum of its proper divisors (86694880364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65021160252 is a wasteful number, since it uses less digits than its factorization.

65021160252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418430028 (or 5418430026 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 65021160252 in words is "sixty-five billion, twenty-one million, one hundred sixty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 5418430021 10836860042 16255290063 21673720084 32510580126 65021160252