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64712425430 = 2559157969463
BaseRepresentation
bin111100010001001010…
…010011111111010110
320012000220211211011102
4330101022103333112
52030012340103210
645421203510102
74450430353232
oct742112237726
9205026754142
1064712425430
1125498528034
1210660088332
136143b4b7c3
1431bc6975c2
151a3b301ea5
hexf11293fd6

64712425430 has 32 divisors (see below), whose sum is σ = 118533369600. Its totient is φ = 25429760352.

The previous prime is 64712425423. The next prime is 64712425441. The reversal of 64712425430 is 3452421746.

It is a happy number.

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, 896879 + ... + 966341.

It is an arithmetic number, because the mean of its divisors is an integer number (3704167800).

Almost surely, 264712425430 is an apocalyptic number.

64712425430 is a deficient number, since it is larger than the sum of its proper divisors (53820944170).

64712425430 is a wasteful number, since it uses less digits than its factorization.

64712425430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71108.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 64712425430 in words is "sixty-four billion, seven hundred twelve million, four hundred twenty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 59 118 295 590 1579 3158 7895 15790 69463 93161 138926 186322 347315 465805 694630 931610 4098317 8196634 20491585 40983170 109682077 219364154 548410385 1096820770 6471242543 12942485086 32356212715 64712425430