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47656252816 = 2423129500687
BaseRepresentation
bin101100011000100010…
…001011010110010000
311120000020122110220121
4230120202023112100
51240100000042231
633520514520024
73304652315404
oct543042132620
9146006573817
1047656252816
1119235792107
12929bb96014
13465631b583
142441355104
15138dc31311
hexb1888b590

47656252816 has 20 divisors (see below), whose sum is σ = 96348511872. Its totient is φ = 22792120736.

The previous prime is 47656252757. The next prime is 47656252817. The reversal of 47656252816 is 61825265674.

It is a super-2 number, since 2×476562528162 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47656252817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64749976 + ... + 64750711.

Almost surely, 247656252816 is an apocalyptic number.

47656252816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

47656252816 is an abundant number, since it is smaller than the sum of its proper divisors (48692259056).

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

47656252816 is a wasteful number, since it uses less digits than its factorization.

47656252816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129500718 (or 129500712 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The spelling of 47656252816 in words is "forty-seven billion, six hundred fifty-six million, two hundred fifty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 23 46 92 184 368 129500687 259001374 518002748 1036005496 2072010992 2978515801 5957031602 11914063204 23828126408 47656252816