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52011403612 = 2273200358043
BaseRepresentation
bin110000011100000111…
…110000100101011100
311222020202122001122221
4300130013300211130
51323004404403422
635521012515124
73520614431140
oct603407604534
9158222561587
1052011403612
1120070099393
12a0b661baa4
134b9b6aa78c
142735917220
15154625b3c7
hexc1c1f095c

52011403612 has 24 divisors (see below), whose sum is σ = 104027849856. Its totient is φ = 22289521008.

The previous prime is 52011403583. The next prime is 52011403663. The reversal of 52011403612 is 21630411025.

It is a happy number.

It is a super-2 number, since 2×520114036122 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867063 + ... + 925105.

It is an arithmetic number, because the mean of its divisors is an integer number (4334493744).

Almost surely, 252011403612 is an apocalyptic number.

It is an amenable number.

52011403612 is an abundant number, since it is smaller than the sum of its proper divisors (52016446244).

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

52011403612 is a wasteful number, since it uses less digits than its factorization.

52011403612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90057 (or 90055 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 52011403612 its reverse (21630411025), we get a palindrome (73641814637).

The spelling of 52011403612 in words is "fifty-two billion, eleven million, four hundred three thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 32003 58043 64006 116086 128012 224021 232172 406301 448042 812602 896084 1625204 1857550129 3715100258 7430200516 13002850903 26005701806 52011403612