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2147264972 = 223117316653
BaseRepresentation
bin111111111111100…
…1010100111001100
312112122110100210022
41333333022213030
513344144434342
6553023201312
7104132310506
oct17777124714
95478410708
102147264972
11a02090a56
124bb146238
13282b293b8
14165270d76
15c87a19d2
hex7ffca9cc

2147264972 has 12 divisors (see below), whose sum is σ = 3878930496. Its totient is φ = 1038999120.

The previous prime is 2147264971. The next prime is 2147264989. The reversal of 2147264972 is 2794627412.

It is a super-2 number, since 2×21472649722 = 9221493719956321568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147264971) 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, 8658203 + ... + 8658450.

It is an arithmetic number, because the mean of its divisors is an integer number (323244208).

Almost surely, 22147264972 is an apocalyptic number.

It is an amenable number.

2147264972 is a deficient number, since it is larger than the sum of its proper divisors (1731665524).

2147264972 is a wasteful number, since it uses less digits than its factorization.

2147264972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17316688 (or 17316686 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 2147264972 is about 46338.5905266874. The cubic root of 2147264972 is about 1290.1153617561.

The spelling of 2147264972 in words is "two billion, one hundred forty-seven million, two hundred sixty-four thousand, nine hundred seventy-two".

Divisors: 1 2 4 31 62 124 17316653 34633306 69266612 536816243 1073632486 2147264972