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28762673412 = 223111393834093
BaseRepresentation
bin11010110010011000…
…111001000100000100
32202020112001012101110
4122302120321010010
5432401221022122
621114031525020
72035523455464
oct326230710404
982215035343
1028762673412
111121a863280
1256a8689770
132934c31ba5
14156bd9dba4
15b351b890c
hex6b2639104

28762673412 has 96 divisors (see below), whose sum is σ = 73951395840. Its totient is φ = 8628554880.

The previous prime is 28762673399. The next prime is 28762673441. The reversal of 28762673412 is 21437626782.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7025238 + ... + 7029330.

It is an arithmetic number, because the mean of its divisors is an integer number (770327040).

Almost surely, 228762673412 is an apocalyptic number.

28762673412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28762673412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36975697920).

28762673412 is an abundant number, since it is smaller than the sum of its proper divisors (45188722428).

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

28762673412 is a wasteful number, since it uses less digits than its factorization.

28762673412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4631 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The spelling of 28762673412 in words is "twenty-eight billion, seven hundred sixty-two million, six hundred seventy-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 139 278 383 417 556 766 834 1149 1529 1532 1668 2298 3058 4093 4213 4587 4596 6116 8186 8426 9174 12279 12639 16372 16852 18348 24558 25278 45023 49116 50556 53237 90046 106474 135069 159711 180092 212948 270138 319422 540276 568927 585607 638844 1137854 1171214 1567619 1706781 1756821 2275708 2342428 3135238 3413562 3513642 4702857 6258197 6270476 6827124 7027284 9405714 12516394 17243809 18774591 18811428 25032788 34487618 37549182 51731427 68975236 75098364 103462854 206925708 217899041 435798082 653697123 871596164 1307394246 2396889451 2614788492 4793778902 7190668353 9587557804 14381336706 28762673412