Search a number
-
+
64751797314 = 2326170983177
BaseRepresentation
bin111100010011100000…
…100000010001000010
320012010122221010020100
4330103200200101002
52030102430003224
645425131423230
74451416124121
oct742340402102
9205118833210
1064751797314
1125508779786
12106712b4b16
13614c055489
1431c39c5ab8
151a3e9ccac9
hexf13820442

64751797314 has 48 divisors (see below), whose sum is σ = 142798326840. Its totient is φ = 21199898880.

The previous prime is 64751797261. The next prime is 64751797343. The reversal of 64751797314 is 41379715746.

64751797314 is a `hidden beast` number, since 6 + 4 + 7 + 517 + 97 + 31 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26498305089 + 38253492225 = 162783^2 + 195585^2 .

It is a super-2 number, since 2×647517973142 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736894 + ... + 820070.

Almost surely, 264751797314 is an apocalyptic number.

64751797314 is an abundant number, since it is smaller than the sum of its proper divisors (78046529526).

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

64751797314 is a wasteful number, since it uses less digits than its factorization.

64751797314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83955 (or 83952 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The spelling of 64751797314 in words is "sixty-four billion, seven hundred fifty-one million, seven hundred ninety-seven thousand, three hundred fourteen".

Divisors: 1 2 3 6 9 18 61 122 183 366 549 709 1098 1418 2127 4254 6381 12762 43249 83177 86498 129747 166354 249531 259494 389241 499062 748593 778482 1497186 5073797 10147594 15221391 30442782 45664173 58972493 91328346 117944986 176917479 353834958 530752437 1061504874 3597322073 7194644146 10791966219 21583932438 32375898657 64751797314