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212944907304 = 233214472043931
BaseRepresentation
bin1100011001010010000…
…0010110110000101000
3202100122111102002222200
43012110200112300220
511442102344013204
6241454152220200
721245654563353
oct3062440266050
9670574362880
10212944907304
11823449376a8
123532a99a660
131710817173c
14a4413c929a
155814b42539
hex3194816c28

212944907304 has 48 divisors (see below), whose sum is σ = 577124639520. Its totient is φ = 70932546720.

The previous prime is 212944907299. The next prime is 212944907363. The reversal of 212944907304 is 403709449212.

212944907304 is a `hidden beast` number, since 2 + 1 + 2 + 94 + 490 + 73 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 212944907304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 917782 + ... + 1126149.

It is an arithmetic number, because the mean of its divisors is an integer number (12023429990).

Almost surely, 2212944907304 is an apocalyptic number.

212944907304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212944907304 is an abundant number, since it is smaller than the sum of its proper divisors (364179732216).

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

212944907304 is a wasteful number, since it uses less digits than its factorization.

212944907304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045390 (or 2045383 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 212944907304 in words is "two hundred twelve billion, nine hundred forty-four million, nine hundred seven thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1447 2894 4341 5788 8682 11576 13023 17364 26046 34728 52092 104184 2043931 4087862 6131793 8175724 12263586 16351448 18395379 24527172 36790758 49054344 73581516 147163032 2957568157 5915136314 8872704471 11830272628 17745408942 23660545256 26618113413 35490817884 53236226826 70981635768 106472453652 212944907304