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12214545164 = 2210343295237
BaseRepresentation
bin10110110000000101…
…10010101100001100
31011112020211011222122
423120002302230030
5200003410421124
65340012032112
7611454630563
oct133002625414
934466734878
1012214545164
1151a8879628
12244a762638
1311c8742423
1483c308bda
154b74ee75e
hex2d80b2b0c

12214545164 has 12 divisors (see below), whose sum is σ = 21377593104. Its totient is φ = 6106661424.

The previous prime is 12214545131. The next prime is 12214545179. The reversal of 12214545164 is 46154541221.

It is a super-2 number, since 2×122145451642 (a number of 21 digits) contains 22 as substring.

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, 106247 + ... + 188990.

It is an arithmetic number, because the mean of its divisors is an integer number (1781466092).

Almost surely, 212214545164 is an apocalyptic number.

It is an amenable number.

12214545164 is a deficient number, since it is larger than the sum of its proper divisors (9163047940).

12214545164 is a wasteful number, since it uses less digits than its factorization.

12214545164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305584 (or 305582 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The spelling of 12214545164 in words is "twelve billion, two hundred fourteen million, five hundred forty-five thousand, one hundred sixty-four".

Divisors: 1 2 4 10343 20686 41372 295237 590474 1180948 3053636291 6107272582 12214545164