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212988037204 = 22296172975857
BaseRepresentation
bin1100011001011100010…
…0111000100001010100
3202100202111120100002101
43012113010320201110
511442144414142304
6241502332451444
721250020305455
oct3062704704124
9670674510071
10212988037204
1182367215848
1235341319b84
1317114092aa7
14a44701512c
1558188118a4
hex3197138854

212988037204 has 24 divisors (see below), whose sum is σ = 386206851240. Its totient is φ = 102655128576.

The previous prime is 212988037111. The next prime is 212988037259. The reversal of 212988037204 is 402730889212.

It can be written as a sum of positive squares in 4 ways, for example, as 13947137604 + 199040899600 = 118098^2 + 446140^2 .

It is a congruent number.

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, 1416357 + ... + 1559500.

It is an arithmetic number, because the mean of its divisors is an integer number (16091952135).

Almost surely, 2212988037204 is an apocalyptic number.

It is an amenable number.

212988037204 is a deficient number, since it is larger than the sum of its proper divisors (173218814036).

212988037204 is a wasteful number, since it uses less digits than its factorization.

212988037204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976507 (or 2976505 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 212988037204 in words is "two hundred twelve billion, nine hundred eighty-eight million, thirty-seven thousand, two hundred four".

Divisors: 1 2 4 29 58 116 617 1234 2468 17893 35786 71572 2975857 5951714 11903428 86299853 172599706 345199412 1836103769 3672207538 7344415076 53247009301 106494018602 212988037204