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920813665016 = 23719231855031
BaseRepresentation
bin11010110011001001100…
…01010111101011111000
310021000210002100211001102
431121210301113223320
5110041311244240031
61543003240310532
7123345423003440
oct15314461275370
93230702324042
10920813665016
11325573343443
1212a562772448
1368aa88bc71b
14327d3793120
1518e4491d7cb
hexd664c57af8

920813665016 has 32 divisors (see below), whose sum is σ = 1973277050880. Its totient is φ = 394613445600.

The previous prime is 920813664977. The next prime is 920813665021. The reversal of 920813665016 is 610566318029.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 649421 + ... + 1504451.

It is an arithmetic number, because the mean of its divisors is an integer number (61664907840).

Almost surely, 2920813665016 is an apocalyptic number.

It is an amenable number.

920813665016 is an abundant number, since it is smaller than the sum of its proper divisors (1052463385864).

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

920813665016 is a wasteful number, since it uses less digits than its factorization.

920813665016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874275 (or 874271 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 920813665016 in words is "nine hundred twenty billion, eight hundred thirteen million, six hundred sixty-five thousand, sixteen".

Divisors: 1 2 4 7 8 14 28 56 19231 38462 76924 134617 153848 269234 538468 855031 1076936 1710062 3420124 5985217 6840248 11970434 23940868 47881736 16443101161 32886202322 65772404644 115101708127 131544809288 230203416254 460406832508 920813665016