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64311105412 = 2219207837079
BaseRepresentation
bin111011111001001111…
…011001011110000100
320010222221200122121001
4323321033121132010
52023202120333122
645313310103044
74434455243101
oct737117313604
9203887618531
1064311105412
1125301a403a4
12105697aaa84
1360ab967438
14318126baa8
151a15e7c527
hexef93d9784

64311105412 has 12 divisors (see below), whose sum is σ = 112550428480. Its totient is φ = 32153840136.

The previous prime is 64311105409. The next prime is 64311105491. The reversal of 64311105412 is 21450111346.

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, 341712 + ... + 495367.

Almost surely, 264311105412 is an apocalyptic number.

It is an amenable number.

64311105412 is a deficient number, since it is larger than the sum of its proper divisors (48239323068).

64311105412 is a wasteful number, since it uses less digits than its factorization.

64311105412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856290 (or 856288 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 64311105412 its reverse (21450111346), we get a palindrome (85761216758).

The spelling of 64311105412 in words is "sixty-four billion, three hundred eleven million, one hundred five thousand, four hundred twelve".

Divisors: 1 2 4 19207 38414 76828 837079 1674158 3348316 16077776353 32155552706 64311105412