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13628678932 = 22111718220159
BaseRepresentation
bin11001011000101010…
…10010001100010100
31022011210202121211101
430230111102030110
5210402420211212
610132205515444
7661505600551
oct145425221424
938153677741
1013628678932
115864041220
122784272b84
1313926cc17b
14934059a28
1554b737157
hex32c552314

13628678932 has 24 divisors (see below), whose sum is σ = 27548881920. Its totient is φ = 5830450560.

The previous prime is 13628678887. The next prime is 13628678993. The reversal of 13628678932 is 23987682631.

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, 9109332 + ... + 9110827.

It is an arithmetic number, because the mean of its divisors is an integer number (1147870080).

Almost surely, 213628678932 is an apocalyptic number.

It is an amenable number.

13628678932 is an abundant number, since it is smaller than the sum of its proper divisors (13920202988).

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

13628678932 is a wasteful number, since it uses less digits than its factorization.

13628678932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18220191 (or 18220189 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The spelling of 13628678932 in words is "thirteen billion, six hundred twenty-eight million, six hundred seventy-eight thousand, nine hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 18220159 36440318 72880636 200421749 309742703 400843498 619485406 801686996 1238970812 3407169733 6814339466 13628678932