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8135071064 = 2317971813407
BaseRepresentation
bin1111001001110001…
…10101010101011000
3202222221120102120022
413210320311111120
5113130034233224
63423122450012
7405410651231
oct74470652530
922887512508
108135071064
1134a504332a
1216b0503908
139c8515b23
145725c8088
153292cb65e
hex1e4e35558

8135071064 has 64 divisors (see below), whose sum is σ = 16411973760. Its totient is φ = 3766763520.

The previous prime is 8135071033. The next prime is 8135071067. The reversal of 8135071064 is 4601705318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135071067) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2386049 + ... + 2389455.

It is an arithmetic number, because the mean of its divisors is an integer number (256437090).

Almost surely, 28135071064 is an apocalyptic number.

It is an amenable number.

8135071064 is an abundant number, since it is smaller than the sum of its proper divisors (8276902696).

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

8135071064 is a wasteful number, since it uses less digits than its factorization.

8135071064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708 (or 3704 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 8135071064 is about 90194.6287979500. The cubic root of 8135071064 is about 2011.1931617025.

The spelling of 8135071064 in words is "eight billion, one hundred thirty-five million, seventy-one thousand, sixty-four".

Divisors: 1 2 4 8 17 34 68 97 136 181 194 362 388 724 776 1448 1649 3077 3298 3407 6154 6596 6814 12308 13192 13628 17557 24616 27256 35114 57919 70228 115838 140456 231676 298469 330479 463352 596938 616667 660958 1193876 1233334 1321916 2387752 2466668 2643832 4933336 5618143 10483339 11236286 20966678 22472572 41933356 44945144 59816699 83866712 119633398 239266796 478533592 1016883883 2033767766 4067535532 8135071064