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12874726438 = 274183270239
BaseRepresentation
bin10111111110110010…
…01011110000100110
31020020021001212102221
423333121023300212
5202331412221223
65525314022554
7634022240410
oct137731136046
936207055387
1012874726438
1155074a1592
1225b3877a5a
1312a244c632
148a1c799b0
15505458b5d
hex2ff64bc26

12874726438 has 32 divisors (see below), whose sum is σ = 22881761280. Its totient is φ = 5318283840.

The previous prime is 12874726391. The next prime is 12874726493. The reversal of 12874726438 is 83462747821.

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, 87478 + ... + 182761.

It is an arithmetic number, because the mean of its divisors is an integer number (715055040).

Almost surely, 212874726438 is an apocalyptic number.

12874726438 is a deficient number, since it is larger than the sum of its proper divisors (10007034842).

12874726438 is a wasteful number, since it uses less digits than its factorization.

12874726438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270372.

The product of its digits is 3612672, while the sum is 52.

The spelling of 12874726438 in words is "twelve billion, eight hundred seventy-four million, seven hundred twenty-six thousand, four hundred thirty-eight".

Divisors: 1 2 7 14 41 82 83 166 287 574 581 1162 3403 6806 23821 47642 270239 540478 1891673 3783346 11079799 22159598 22429837 44859674 77558593 155117186 157008859 314017718 919623317 1839246634 6437363219 12874726438