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72948197192 = 23131831383083
BaseRepresentation
bin100001111110000001…
…1010010011101001000
320222021212220101010012
41003330003102131020
52143344214302232
653302325011052
75161503305513
oct1037403223510
9228255811105
1072948197192
1128a343a0282
121217a253a88
136b57192030
1437603b5d7a
151d6e3709b2
hex10fc0d2748

72948197192 has 32 divisors (see below), whose sum is σ = 147380076480. Its totient is φ = 33649922880.

The previous prime is 72948197167. The next prime is 72948197209. The reversal of 72948197192 is 29179184927.

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, 1118 + ... + 381965.

It is an arithmetic number, because the mean of its divisors is an integer number (4605627390).

Almost surely, 272948197192 is an apocalyptic number.

It is an amenable number.

72948197192 is an abundant number, since it is smaller than the sum of its proper divisors (74431879288).

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

72948197192 is a wasteful number, since it uses less digits than its factorization.

72948197192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384933 (or 384929 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 59.

The spelling of 72948197192 in words is "seventy-two billion, nine hundred forty-eight million, one hundred ninety-seven thousand, one hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 104 1831 3662 7324 14648 23803 47606 95212 190424 383083 766166 1532332 3064664 4980079 9960158 19920316 39840632 701424973 1402849946 2805699892 5611399784 9118524649 18237049298 36474098596 72948197192