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48985405128 = 2334116872251
BaseRepresentation
bin101101100111110000…
…011111011011001000
311200102212200102010000
4231213300133123020
51300310230431003
634300435123000
73352622034132
oct554760373310
9150385612100
1048985405128
1119857a909a0
1295b1143460
1348087c272a
142529aa4052
15141a77e1a3
hexb67c1f6c8

48985405128 has 80 divisors (see below), whose sum is σ = 149677648560. Its totient is φ = 14844060000.

The previous prime is 48985405127. The next prime is 48985405151. The reversal of 48985405128 is 82150458984.

48985405128 is a `hidden beast` number, since 4 + 8 + 9 + 85 + 40 + 512 + 8 = 666.

It is a super-3 number, since 3×489854051283 (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (48985405127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3428998 + ... + 3443253.

It is an arithmetic number, because the mean of its divisors is an integer number (1870970607).

Almost surely, 248985405128 is an apocalyptic number.

It is an amenable number.

48985405128 is an abundant number, since it is smaller than the sum of its proper divisors (100692243432).

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

48985405128 is a wasteful number, since it uses less digits than its factorization.

48985405128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872280 (or 6872267 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 54.

The spelling of 48985405128 in words is "forty-eight billion, nine hundred eighty-five million, four hundred five thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 132 162 198 216 264 297 324 396 594 648 792 891 1188 1782 2376 3564 7128 6872251 13744502 20616753 27489004 41233506 54978008 61850259 75594761 82467012 123700518 151189522 164934024 185550777 226784283 247401036 302379044 371101554 453568566 494802072 556652331 604758088 680352849 742203108 907137132 1113304662 1360705698 1484406216 1814274264 2041058547 2226609324 2721411396 4082117094 4453218648 5442822792 6123175641 8164234188 12246351282 16328468376 24492702564 48985405128