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52870358831 = 211941266281
BaseRepresentation
bin110001001111010100…
…011010011100101111
312001110121220111201012
4301033110122130233
51331234302440311
640142135135435
73551114430563
oct611724323457
9161417814635
1052870358831
1120470a37134
12a2b621457b
134ca7632bc4
1427b7a2b6a3
15159687b78b
hexc4f51a72f

52870358831 has 8 divisors (see below), whose sum is σ = 53177580528. Its totient is φ = 52563672000.

The previous prime is 52870358747. The next prime is 52870358897. The reversal of 52870358831 is 13885307825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52870358831 - 218 = 52870096687 is a prime.

It is a super-2 number, since 2×528703588312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52870358831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52873358831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65411 + ... + 331691.

It is an arithmetic number, because the mean of its divisors is an integer number (6647197566).

Almost surely, 252870358831 is an apocalyptic number.

52870358831 is a deficient number, since it is larger than the sum of its proper divisors (307221697).

52870358831 is a wasteful number, since it uses less digits than its factorization.

52870358831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267433.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 52870358831 in words is "fifty-two billion, eight hundred seventy million, three hundred fifty-eight thousand, eight hundred thirty-one".

Divisors: 1 211 941 198551 266281 56185291 250570421 52870358831