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64548421112 = 2371152650377
BaseRepresentation
bin111100000111011000…
…101011110111111000
320011121111020112112102
4330013120223313320
52024143343433422
645353024402532
74443366345440
oct740730536770
9204544215472
1064548421112
11254139a017a
1210615176448
136118b88526
1431a49a5120
151a2bc08192
hexf0762bdf8

64548421112 has 16 divisors (see below), whose sum is σ = 138318045360. Its totient is φ = 27663609024.

The previous prime is 64548421103. The next prime is 64548421127. The reversal of 64548421112 is 21112484546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576325133 + ... + 576325244.

It is an arithmetic number, because the mean of its divisors is an integer number (8644877835).

Almost surely, 264548421112 is an apocalyptic number.

It is an amenable number.

64548421112 is an abundant number, since it is smaller than the sum of its proper divisors (73769624248).

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

64548421112 is a wasteful number, since it uses less digits than its factorization.

64548421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152650390 (or 1152650386 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The spelling of 64548421112 in words is "sixty-four billion, five hundred forty-eight million, four hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 1152650377 2305300754 4610601508 8068552639 9221203016 16137105278 32274210556 64548421112