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72948187916 = 22172310584473
BaseRepresentation
bin100001111110000001…
…1010000001100001100
320222021212212220101122
41003330003100030030
52143344214003131
653302324500112
75161503236462
oct1037403201414
9228255786348
1072948187916
1128a3439430a
121217a24a638
136b5718aa46
1437603b2832
151d6e36cd7b
hex10fc0d030c

72948187916 has 12 divisors (see below), whose sum is σ = 127733432232. Its totient is φ = 36452921568.

The previous prime is 72948187901. The next prime is 72948187933. The reversal of 72948187916 is 61978184927.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285345 + ... + 5299128.

It is an arithmetic number, because the mean of its divisors is an integer number (10644452686).

Almost surely, 272948187916 is an apocalyptic number.

It is an amenable number.

72948187916 is a deficient number, since it is larger than the sum of its proper divisors (54785244316).

72948187916 is a wasteful number, since it uses less digits than its factorization.

72948187916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586200 (or 10586198 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 62.

The spelling of 72948187916 in words is "seventy-two billion, nine hundred forty-eight million, one hundred eighty-seven thousand, nine hundred sixteen".

Divisors: 1 2 4 1723 3446 6892 10584473 21168946 42337892 18237046979 36474093958 72948187916