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72214774192 = 24111453282389
BaseRepresentation
bin100001101000001010…
…1100000000110110000
320220101202211121220101
41003100111200012300
52140343440233232
653101445122144
75134356311161
oct1032025400660
9226352747811
1072214774192
11286983a2770
1211bb46b9354
136a6b24c922
1436d0c1b768
151d29c9a1e7
hex10d05601b0

72214774192 has 40 divisors (see below), whose sum is σ = 152741362320. Its totient is φ = 32802190080.

The previous prime is 72214774189. The next prime is 72214774207. The reversal of 72214774192 is 29147741227.

It is a super-2 number, since 2×722147741922 (a number of 23 digits) contains 22 as substring.

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, 114534 + ... + 396922.

It is an arithmetic number, because the mean of its divisors is an integer number (3818534058).

Almost surely, 272214774192 is an apocalyptic number.

It is an amenable number.

72214774192 is an abundant number, since it is smaller than the sum of its proper divisors (80526588128).

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

72214774192 is a wasteful number, since it uses less digits than its factorization.

72214774192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283861 (or 283855 counting only the distinct ones).

The product of its digits is 395136, while the sum is 46.

The spelling of 72214774192 in words is "seventy-two billion, two hundred fourteen million, seven hundred seventy-four thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 1453 2906 5812 11624 15983 23248 31966 63932 127864 255728 282389 564778 1129556 2259112 3106279 4518224 6212558 12425116 24850232 49700464 410311217 820622434 1641244868 3282489736 4513423387 6564979472 9026846774 18053693548 36107387096 72214774192