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212746134684 = 223371553308537
BaseRepresentation
bin1100011000100010101…
…0000110010010011100
3202100010122101102012210
43012020222012102130
511441201002302214
6241422332000420
721241022210346
oct3061052062234
9670118342183
10212746134684
1182252712906
1235294300110
13170a5c26cc5
14a422c46296
15580247bb59
hex3188a8649c

212746134684 has 48 divisors (see below), whose sum is σ = 510154007328. Its totient is φ = 68954093568.

The previous prime is 212746134637. The next prime is 212746134691. The reversal of 212746134684 is 486431647212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535264 + ... + 843800.

It is an arithmetic number, because the mean of its divisors is an integer number (10628208486).

Almost surely, 2212746134684 is an apocalyptic number.

It is an amenable number.

212746134684 is an abundant number, since it is smaller than the sum of its proper divisors (297407872644).

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

212746134684 is a wasteful number, since it uses less digits than its factorization.

212746134684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310134 (or 310132 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 48.

The spelling of 212746134684 in words is "two hundred twelve billion, seven hundred forty-six million, one hundred thirty-four thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 1553 3106 4659 6212 9318 18636 57461 114922 172383 229844 308537 344766 617074 689532 925611 1234148 1851222 3702444 11415869 22831738 34247607 45663476 68495214 136990428 479157961 958315922 1437473883 1916631844 2874947766 5749895532 17728844557 35457689114 53186533671 70915378228 106373067342 212746134684