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72930920808 = 2333038788367
BaseRepresentation
bin100001111101100000…
…1011000100101101000
320222020200101122101010
41003323001120211220
52143330303431213
653300510423520
75161203412164
oct1037301304550
9228220348333
1072930920808
1128a25670279
1212174501ba0
136b53723515
14375bd99ca4
151d6caabac3
hex10fb058968

72930920808 has 16 divisors (see below), whose sum is σ = 182327302080. Its totient is φ = 24310306928.

The previous prime is 72930920801. The next prime is 72930920833. The reversal of 72930920808 is 80802903927.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72930920801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519394160 + ... + 1519394207.

It is an arithmetic number, because the mean of its divisors is an integer number (11395456380).

Almost surely, 272930920808 is an apocalyptic number.

It is an amenable number.

72930920808 is an abundant number, since it is smaller than the sum of its proper divisors (109396381272).

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

72930920808 is a wasteful number, since it uses less digits than its factorization.

72930920808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038788376 (or 3038788372 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 72930920808 in words is "seventy-two billion, nine hundred thirty million, nine hundred twenty thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 24 3038788367 6077576734 9116365101 12155153468 18232730202 24310306936 36465460404 72930920808