Search a number
-
+
76561000643654 = 2195979432259853
BaseRepresentation
bin10001011010000110111111…
…001111110011110001000110
3101001002011022202211210201122
4101122012333033303301012
540013333412131044104
6430455345501153542
722061230652652662
oct2132067717636106
9331064282753648
1076561000643654
1122438379a1645a
12870605025b8b2
133394896045887
1414c98021a58a2
158cb7d9ac16be
hex45a1bf3f3c46

76561000643654 has 32 divisors (see below), whose sum is σ = 124490837952000. Its totient is φ = 35199784268064.

The previous prime is 76561000643573. The next prime is 76561000643663. The reversal of 76561000643654 is 45634600016567.

76561000643654 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×765610006436543 (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76561000643596 and 76561000643605.

It is a congruent number.

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, 215952809 + ... + 216307044.

It is an arithmetic number, because the mean of its divisors is an integer number (3890338686000).

Almost surely, 276561000643654 is an apocalyptic number.

76561000643654 is a deficient number, since it is larger than the sum of its proper divisors (47929837308346).

76561000643654 is a wasteful number, since it uses less digits than its factorization.

76561000643654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432260012.

The product of its (nonzero) digits is 10886400, while the sum is 53.

The spelling of 76561000643654 in words is "seventy-six trillion, five hundred sixty-one billion, six hundred forty-three thousand, six hundred fifty-four".

Divisors: 1 2 19 38 59 79 118 158 1121 1501 2242 3002 4661 9322 88559 177118 432259853 864519706 8212937207 16425874414 25503331327 34148528387 51006662654 68297056774 484563295213 648822039353 969126590426 1297644078706 2014763174833 4029526349666 38280500321827 76561000643654