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472816577506856 = 231139679135409553
BaseRepresentation
bin110101110000001100011000…
…0001001010110111000101000
32022000002211020020101002011112
41223200120300021112320220
5443433111322320204411
64353332534225245452
7201406604363243312
oct15340306011267050
92260084206332145
10472816577506856
11127721425777590
124504302b193888
13173a954807012b
1484a86318267b2
15399e09e462b8b
hex1ae0630256e28

472816577506856 has 32 divisors (see below), whose sum is σ = 967149198489600. Its totient is φ = 214911208170240.

The previous prime is 472816577506849. The next prime is 472816577506921. The reversal of 472816577506856 is 658605775618274.

It is a Smith number, since the sum of its digits (77) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64213025 + ... + 71196528.

It is an arithmetic number, because the mean of its divisors is an integer number (30223412452800).

Almost surely, 2472816577506856 is an apocalyptic number.

It is an amenable number.

472816577506856 is an abundant number, since it is smaller than the sum of its proper divisors (494332620982744).

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

472816577506856 is a wasteful number, since it uses less digits than its factorization.

472816577506856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135449249 (or 135449245 counting only the distinct ones).

The product of its (nonzero) digits is 4741632000, while the sum is 77.

The spelling of 472816577506856 in words is "four hundred seventy-two trillion, eight hundred sixteen billion, five hundred seventy-seven million, five hundred six thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 39679 79358 158716 317432 436469 872938 1745876 3491752 135409553 270819106 541638212 1083276424 1489505083 2979010166 5958020332 11916040664 5372915653487 10745831306974 21491662613948 42983325227896 59102072188357 118204144376714 236408288753428 472816577506856