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677486443872 = 25371008164351
BaseRepresentation
bin10011101101111010101…
…01101011110101100000
32101202201012021020200210
421312331111223311200
542044443012200442
61235122153414120
766642513520440
oct11667525536540
92352635236623
10677486443872
11241358487767
12ab374a0a340
134bb6b0c77b4
1424b0d280120
151295283419c
hex9dbd56bd60

677486443872 has 48 divisors (see below), whose sum is σ = 2032459333632. Its totient is φ = 193567555200.

The previous prime is 677486443867. The next prime is 677486443891. The reversal of 677486443872 is 278344684776.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504081504 + ... + 504082847.

It is an arithmetic number, because the mean of its divisors is an integer number (42342902784).

Almost surely, 2677486443872 is an apocalyptic number.

It is an amenable number.

677486443872 is an abundant number, since it is smaller than the sum of its proper divisors (1354972889760).

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

677486443872 is a wasteful number, since it uses less digits than its factorization.

677486443872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008164371 (or 1008164363 counting only the distinct ones).

The product of its digits is 303464448, while the sum is 66.

The spelling of 677486443872 in words is "six hundred seventy-seven billion, four hundred eighty-six million, four hundred forty-three thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 1008164351 2016328702 3024493053 4032657404 6048986106 7057150457 8065314808 12097972212 14114300914 16130629616 21171451371 24195944424 28228601828 32261259232 42342902742 48391888848 56457203656 84685805484 96783777696 112914407312 169371610968 225828814624 338743221936 677486443872