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14921764068 = 2233164362383
BaseRepresentation
bin11011110010110100…
…00000110011100100
31102111220221011011110
431321122000303210
5221024432422233
610504401105020
71035526621221
oct157132006344
942456834143
1014921764068
116367a46222
122a85328170
13153a5858c3
14a17a9a948
155c500d663
hex379680ce4

14921764068 has 48 divisors (see below), whose sum is σ = 35997065216. Its totient is φ = 4805909280.

The previous prime is 14921764049. The next prime is 14921764129. The reversal of 14921764068 is 86046712941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208005 + ... + 270387.

Almost surely, 214921764068 is an apocalyptic number.

It is an amenable number.

14921764068 is an abundant number, since it is smaller than the sum of its proper divisors (21075301148).

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

14921764068 is a wasteful number, since it uses less digits than its factorization.

14921764068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63064 (or 63062 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 14921764068 in words is "fourteen billion, nine hundred twenty-one million, seven hundred sixty-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 643 1286 1929 2572 3858 7716 19933 39866 59799 62383 79732 119598 124766 187149 239196 249532 374298 748596 1933873 3867746 5801619 7735492 11603238 23206476 40112269 80224538 120336807 160449076 240673614 481347228 1243480339 2486960678 3730441017 4973921356 7460882034 14921764068