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64493487362 = 2374671866239
BaseRepresentation
bin111100000100000111…
…001000010100000010
320011110122212121121002
4330010013020110002
52024040313043422
645343343132002
74442131411643
oct740407102402
9204418777532
1064493487362
112539598a687
12105ba8a4002
13610a693555
14319b5856ca
151a26ea6692
hexf041c8502

64493487362 has 16 divisors (see below), whose sum is σ = 99567636480. Its totient is φ = 31308008688.

The previous prime is 64493487347. The next prime is 64493487413. The reversal of 64493487362 is 26378439446.

It is a super-2 number, since 2×644934873622 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64493487298 and 64493487307.

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, 898562 + ... + 967677.

It is an arithmetic number, because the mean of its divisors is an integer number (6222977280).

Almost surely, 264493487362 is an apocalyptic number.

64493487362 is a deficient number, since it is larger than the sum of its proper divisors (35074149118).

64493487362 is a wasteful number, since it uses less digits than its factorization.

64493487362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866745.

The product of its digits is 20901888, while the sum is 56.

The spelling of 64493487362 in words is "sixty-four billion, four hundred ninety-three million, four hundred eighty-seven thousand, three hundred sixty-two".

Divisors: 1 2 37 74 467 934 17279 34558 1866239 3732478 69050843 138101686 871533613 1743067226 32246743681 64493487362