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52420506012 = 22327208017881
BaseRepresentation
bin110000110100100000…
…010111000110011100
312000022021102121122200
4300310200113012130
51324324122143022
640025345211500
73534012643410
oct606440270634
9160267377580
1052420506012
1120260011046
12a1ab630b90
134c353881c4
142773daad40
15156c11bbac
hexc3481719c

52420506012 has 36 divisors (see below), whose sum is σ = 151437018096. Its totient is φ = 14977287360.

The previous prime is 52420505971. The next prime is 52420506023. The reversal of 52420506012 is 21060502425.

52420506012 is a `hidden beast` number, since 5 + 2 + 4 + 2 + 0 + 50 + 601 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×524205060123 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104008689 + ... + 104009192.

It is an arithmetic number, because the mean of its divisors is an integer number (4206583836).

Almost surely, 252420506012 is an apocalyptic number.

It is an amenable number.

52420506012 is an abundant number, since it is smaller than the sum of its proper divisors (99016512084).

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

52420506012 is a wasteful number, since it uses less digits than its factorization.

52420506012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208017898 (or 208017893 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 52420506012 in words is "fifty-two billion, four hundred twenty million, five hundred six thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 208017881 416035762 624053643 832071524 1248107286 1456125167 1872160929 2496214572 2912250334 3744321858 4368375501 5824500668 7488643716 8736751002 13105126503 17473502004 26210253006 52420506012