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49470032128 = 281131566693
BaseRepresentation
bin101110000100101001…
…001100100100000000
311201200122121000101011
4232010221030210000
51302303312012003
634420510250304
73400625222626
oct560451144400
9151618530334
1049470032128
1119a865a8380
1297074b6994
13488502447a
1425741b7516
1514480ac46d
hexb84a4c900

49470032128 has 72 divisors (see below), whose sum is σ = 111198963456. Its totient is φ = 21760972800.

The previous prime is 49470032111. The next prime is 49470032137. The reversal of 49470032128 is 82123007494.

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, 196051 + ... + 370642.

It is an arithmetic number, because the mean of its divisors is an integer number (1544430048).

Almost surely, 249470032128 is an apocalyptic number.

It is an amenable number.

49470032128 is an abundant number, since it is smaller than the sum of its proper divisors (61728931328).

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

49470032128 is a wasteful number, since it uses less digits than its factorization.

49470032128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566751 (or 566737 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 49470032128 in words is "forty-nine billion, four hundred seventy million, thirty-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 31 32 44 62 64 88 124 128 176 248 256 341 352 496 682 704 992 1364 1408 1984 2728 2816 3968 5456 7936 10912 21824 43648 87296 566693 1133386 2266772 4533544 6233623 9067088 12467246 17567483 18134176 24934492 35134966 36268352 49868984 70269932 72536704 99737968 140539864 145073408 193242313 199475936 281079728 386484626 398951872 562159456 772969252 797903744 1124318912 1545938504 1595807488 2248637824 3091877008 4497275648 6183754016 12367508032 24735016064 49470032128