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52203981020 = 2252610199051
BaseRepresentation
bin110000100111100110…
…011000100011011100
311222202012000000012112
4300213212120203130
51323403204343040
635552052253152
73525443342252
oct604746304334
9158665000175
1052203981020
1120159871674
12a14b0111b8
134bcc5663c9
1427533265d2
1515580eb365
hexc279988dc

52203981020 has 12 divisors (see below), whose sum is σ = 109628360184. Its totient is φ = 20881592400.

The previous prime is 52203981013. The next prime is 52203981103. The reversal of 52203981020 is 2018930225.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 1305099506 + ... + 1305099545.

It is an arithmetic number, because the mean of its divisors is an integer number (9135696682).

Almost surely, 252203981020 is an apocalyptic number.

It is an amenable number.

52203981020 is an abundant number, since it is smaller than the sum of its proper divisors (57424379164).

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

52203981020 is a wasteful number, since it uses less digits than its factorization.

52203981020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610199060 (or 2610199058 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 52203981020 in words is "fifty-two billion, two hundred three million, nine hundred eighty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 2610199051 5220398102 10440796204 13050995255 26101990510 52203981020