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214544645612 = 2211297110123447
BaseRepresentation
bin1100011111001111011…
…0110111110111101100
3202111202222121020101122
43013303312313313230
512003341412124422
6242321020200112
721333421253423
oct3076366676754
9674688536348
10214544645612
1182a9594a780
12356b6699038
131730171535b
14a553a522ba
1558aa2ddd42
hex31f3db7dec

214544645612 has 96 divisors (see below), whose sum is σ = 433949322240. Its totient is φ = 91908320000.

The previous prime is 214544645611. The next prime is 214544645657. The reversal of 214544645612 is 216546445412.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (214544645611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9138473 + ... + 9161919.

It is an arithmetic number, because the mean of its divisors is an integer number (4520305440).

Almost surely, 2214544645612 is an apocalyptic number.

214544645612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

214544645612 is an abundant number, since it is smaller than the sum of its proper divisors (219404676628).

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

214544645612 is a wasteful number, since it uses less digits than its factorization.

214544645612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23663 (or 23661 counting only the distinct ones).

The product of its digits is 921600, while the sum is 44.

The spelling of 214544645612 in words is "two hundred fourteen billion, five hundred forty-four million, six hundred forty-five thousand, six hundred twelve".

Divisors: 1 2 4 11 22 29 44 58 71 101 116 142 202 284 319 404 638 781 1111 1276 1562 2059 2222 2929 3124 4118 4444 5858 7171 8236 11716 14342 22649 23447 28684 32219 45298 46894 64438 78881 90596 93788 128876 157762 207959 257917 315524 415918 515834 679963 831836 1031668 1359926 1664737 2287549 2368147 2719852 3329474 4575098 4736294 6658948 7479593 9150196 9472588 14959186 18312107 26049617 29918372 36624214 48277373 52099234 68676263 73248428 96554746 104198468 137352526 168138437 193109492 274705052 336276874 531051103 672553748 755438893 1062102206 1510877786 1849522807 2124204412 3021755572 3699045614 4876014673 7398091228 9752029346 19504058692 53636161403 107272322806 214544645612