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47823881908 = 221117314574513
BaseRepresentation
bin101100100010100001…
…101000011010110100
311120102221001220210111
4230202201220122310
51240420403210113
633545303432404
73312056201065
oct544241503264
9146387056714
1047823881908
1119311375350
129328155704
134681c8069a
14245970c56c
15139d7e413d
hexb228686b4

47823881908 has 96 divisors (see below), whose sum is σ = 100029662208. Its totient is φ = 19751731200.

The previous prime is 47823881893. The next prime is 47823881947. The reversal of 47823881908 is 80918832874.

It is a congruent number.

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, 10594660 + ... + 10599172.

It is an arithmetic number, because the mean of its divisors is an integer number (1041975648).

Almost surely, 247823881908 is an apocalyptic number.

It is an amenable number.

47823881908 is an abundant number, since it is smaller than the sum of its proper divisors (52205780300).

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

47823881908 is a wasteful number, since it uses less digits than its factorization.

47823881908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033 (or 5031 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 47823881908 in words is "forty-seven billion, eight hundred twenty-three million, eight hundred eighty-one thousand, nine hundred eight".

Divisors: 1 2 4 11 17 22 31 34 44 62 68 124 187 341 374 457 527 682 748 914 1054 1364 1828 2108 4513 5027 5797 7769 9026 10054 11594 14167 15538 18052 20108 23188 28334 31076 49643 56668 76721 85459 99286 139903 153442 155837 170918 198572 240839 279806 306884 311674 341836 481678 559612 623348 843931 963356 1538933 1687862 2062441 2378351 2649229 3077866 3375724 4124882 4756702 5298458 6155732 8249764 9513404 10596916 22686851 26161861 35061497 45373702 52323722 63935671 70122994 90747404 104647444 127871342 140245988 255742684 385676467 703292381 771352934 1086906407 1406584762 1542705868 2173812814 2813169524 4347625628 11955970477 23911940954 47823881908