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857383551164 = 227591720330169
BaseRepresentation
bin11000111101000000000…
…10101100000010111100
310000222001112102011200102
430132200002230002330
5103021410142114124
61453513201020232
7115641522640010
oct14364002540274
93028045364612
10857383551164
11300683732048
1211a200024678
1362b0a62498a
142d6d7534540
1517480eb5aae
hexc7a00ac0bc

857383551164 has 48 divisors (see below), whose sum is σ = 1743990124800. Its totient is φ = 361189155456.

The previous prime is 857383551161. The next prime is 857383551173. The reversal of 857383551164 is 461155383758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857383551161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28404272 + ... + 28434440.

It is an arithmetic number, because the mean of its divisors is an integer number (36333127600).

Almost surely, 2857383551164 is an apocalyptic number.

It is an amenable number.

857383551164 is an abundant number, since it is smaller than the sum of its proper divisors (886606573636).

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

857383551164 is a wasteful number, since it uses less digits than its factorization.

857383551164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47442 (or 47440 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 56.

The spelling of 857383551164 in words is "eight hundred fifty-seven billion, three hundred eighty-three million, five hundred fifty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 17203 30169 34406 60338 68812 120421 120676 211183 240842 422366 481684 844732 1014977 1779971 2029954 3559942 4059908 7104839 7119884 12459797 14209678 24919594 28419356 49839188 518997307 1037994614 2075989228 3632981149 7265962298 14531924596 30620841113 61241682226 122483364452 214345887791 428691775582 857383551164