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47483447808 = 2931911631399
BaseRepresentation
bin101100001110001110…
…111110101000000000
311112120012111002000010
4230032032332220000
51234221230312213
633451423024520
73300453434616
oct541616765000
9145505432003
1047483447808
1119157194155
12925213b140
1346295965a4
1424264116b6
15137d999ac3
hexb0e3bea00

47483447808 has 160 divisors (see below), whose sum is σ = 133366464000. Its totient is φ = 14971170816.

The previous prime is 47483447747. The next prime is 47483447819. The reversal of 47483447808 is 80874438474.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 33940293 + ... + 33941691.

It is an arithmetic number, because the mean of its divisors is an integer number (833540400).

Almost surely, 247483447808 is an apocalyptic number.

47483447808 is a gapful number since it is divisible by the number (48) 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 47483447808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66683232000).

47483447808 is an abundant number, since it is smaller than the sum of its proper divisors (85883016192).

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

47483447808 is a wasteful number, since it uses less digits than its factorization.

47483447808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 57.

The spelling of 47483447808 in words is "forty-seven billion, four hundred eighty-three million, four hundred forty-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 76 96 114 128 152 192 228 256 304 384 456 512 608 768 912 1163 1216 1399 1536 1824 2326 2432 2798 3489 3648 4197 4652 4864 5596 6978 7296 8394 9304 9728 11192 13956 14592 16788 18608 22097 22384 26581 27912 29184 33576 37216 44194 44768 53162 55824 66291 67152 74432 79743 88388 89536 106324 111648 132582 134304 148864 159486 176776 179072 212648 223296 265164 268608 297728 318972 353552 358144 425296 446592 530328 537216 595456 637944 707104 716288 850592 893184 1060656 1074432 1275888 1414208 1627037 1701184 1786368 2121312 2148864 2551776 2828416 3254074 3402368 4242624 4881111 5103552 5656832 6508148 6804736 8485248 9762222 10207104 11313664 13016296 13609472 16970496 19524444 20414208 26032592 30913703 33940992 39048888 40828416 52065184 61827406 78097776 92741109 104130368 123654812 156195552 185482218 208260736 247309624 312391104 370964436 416521472 494619248 624782208 741928872 833042944 989238496 1249564416 1483857744 1978476992 2499128832 2967715488 3956953984 5935430976 7913907968 11870861952 15827815936 23741723904 47483447808