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64611404004 = 2237769183381
BaseRepresentation
bin111100001011001000…
…111100100011100100
320011202212202101211010
4330023020330203210
52024311004412004
645403154342220
74445062605150
oct741310744344
9204685671733
1064611404004
11254464a9154
121063228a970
136128c3b104
1431ad0bc060
151a324e9a89
hexf0b23c8e4

64611404004 has 24 divisors (see below), whose sum is σ = 172297077568. Its totient is φ = 18460401120.

The previous prime is 64611403949. The next prime is 64611404027. The reversal of 64611404004 is 40040411646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384591607 + ... + 384591774.

Almost surely, 264611404004 is an apocalyptic number.

It is an amenable number.

64611404004 is an abundant number, since it is smaller than the sum of its proper divisors (107685673564).

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

64611404004 is a wasteful number, since it uses less digits than its factorization.

64611404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769183395 (or 769183393 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 64611404004 in words is "sixty-four billion, six hundred eleven million, four hundred four thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 769183381 1538366762 2307550143 3076733524 4615100286 5384283667 9230200572 10768567334 16152851001 21537134668 32305702002 64611404004