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72367371020 = 2257516909793
BaseRepresentation
bin100001101100101101…
…1100111001100001100
320220210101222100101202
41003121123213030030
52141202021333040
653124535525032
75141221334660
oct1033133471414
9226711870352
1072367371020
1128766548a4a
1212037829778
136a93a4a7c9
1437071c08a0
151d3838e015
hex10d96e730c

72367371020 has 24 divisors (see below), whose sum is σ = 173681690784. Its totient is φ = 24811670016.

The previous prime is 72367371007. The next prime is 72367371059. The reversal of 72367371020 is 2017376327.

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, 258454757 + ... + 258455036.

It is an arithmetic number, because the mean of its divisors is an integer number (7236737116).

Almost surely, 272367371020 is an apocalyptic number.

72367371020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

72367371020 is an abundant number, since it is smaller than the sum of its proper divisors (101314319764).

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

72367371020 is a wasteful number, since it uses less digits than its factorization.

72367371020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516909809 (or 516909807 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The spelling of 72367371020 in words is "seventy-two billion, three hundred sixty-seven million, three hundred seventy-one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 516909793 1033819586 2067639172 2584548965 3618368551 5169097930 7236737102 10338195860 14473474204 18091842755 36183685510 72367371020