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38679999876 = 2233773700877
BaseRepresentation
bin100100000001100000…
…011111010110000100
310200211200020120202000
4210001200133112010
51113204034444001
625434102345300
72536345400640
oct440140372604
9120750216660
1038679999876
1115449940451
1275b5a2b230
1338557640bb
141c2d161c20
151015b95a86
hex90181f584

38679999876 has 96 divisors (see below), whose sum is σ = 116177537280. Its totient is φ = 10900023552.

The previous prime is 38679999863. The next prime is 38679999881. The reversal of 38679999876 is 67899997683.

38679999876 is a `hidden beast` number, since 386 + 79 + 9 + 99 + 87 + 6 = 666.

It is a super-2 number, since 2×386799998762 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38679999795 and 38679999804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295251 + ... + 405626.

It is an arithmetic number, because the mean of its divisors is an integer number (1210182680).

Almost surely, 238679999876 is an apocalyptic number.

38679999876 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38679999876 is an abundant number, since it is smaller than the sum of its proper divisors (77497537404).

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

38679999876 is a wasteful number, since it uses less digits than its factorization.

38679999876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700970 (or 700962 counting only the distinct ones).

The product of its digits is 2222131968, while the sum is 81.

The spelling of 38679999876 in words is "thirty-eight billion, six hundred seventy-nine million, nine hundred ninety-nine thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 73 84 108 126 146 189 219 252 292 378 438 511 657 756 876 1022 1314 1533 1971 2044 2628 3066 3942 4599 6132 7884 9198 13797 18396 27594 55188 700877 1401754 2102631 2803508 4205262 4906139 6307893 8410524 9812278 12615786 14718417 18923679 19624556 25231572 29436834 37847358 44155251 51164021 58873668 75694716 88310502 102328042 132465753 153492063 176621004 204656084 264931506 306984126 358148147 460476189 529863012 613968252 716296294 920952378 1074444441 1381428567 1432592588 1841904756 2148888882 2762857134 3223333323 4297777764 5525714268 6446666646 9669999969 12893333292 19339999938 38679999876