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52891305039 = 325876811671
BaseRepresentation
bin110001010000100100…
…010100010001001111
312001112002022200111200
4301100210110101033
51331310133230124
640144204120543
73551460450336
oct612044242117
9161462280450
1052891305039
1120481843351
12a301236153
134caba87c01
1427ba720d1d
151598617bc9
hexc5091444f

52891305039 has 6 divisors (see below), whose sum is σ = 76398551736. Its totient is φ = 35260870020.

The previous prime is 52891305031. The next prime is 52891305041. The reversal of 52891305039 is 93050319825.

52891305039 is a `hidden beast` number, since 5 + 2 + 8 + 9 + 130 + 503 + 9 = 666.

It is not a de Polignac number, because 52891305039 - 23 = 52891305031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52891304985 and 52891305003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52891305031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2938405827 + ... + 2938405844.

It is an arithmetic number, because the mean of its divisors is an integer number (12733091956).

Almost surely, 252891305039 is an apocalyptic number.

52891305039 is a deficient number, since it is larger than the sum of its proper divisors (23507246697).

52891305039 is a wasteful number, since it uses less digits than its factorization.

52891305039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876811677 (or 5876811674 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 52891305039 in words is "fifty-two billion, eight hundred ninety-one million, three hundred five thousand, thirty-nine".

Divisors: 1 3 9 5876811671 17630435013 52891305039