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664375155313305 = 3544291677020887
BaseRepresentation
bin1001011100001111101110010…
…1001000010100101010011001
310020010100122101212212220121010
42113003323211020110222121
51144040110304230011210
610313001422145204133
7256640343460041102
oct22703734510245231
93203318355786533
10664375155313305
11182765a14a4a197
1262620433330649
13226934014c7b17
14ba0bd015cd3a9
1551c1dc83d0920
hex25c3ee5214a99

664375155313305 has 8 divisors (see below), whose sum is σ = 1063000248501312. Its totient is φ = 354333416167088.

The previous prime is 664375155313277. The next prime is 664375155313361. The reversal of 664375155313305 is 503313551573466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 664375155313305 - 28 = 664375155313049 is a prime.

It is a Curzon number.

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, 22145838510429 + ... + 22145838510458.

It is an arithmetic number, because the mean of its divisors is an integer number (132875031062664).

Almost surely, 2664375155313305 is an apocalyptic number.

It is an amenable number.

664375155313305 is a deficient number, since it is larger than the sum of its proper divisors (398625093188007).

664375155313305 is a wasteful number, since it uses less digits than its factorization.

664375155313305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44291677020895.

The product of its (nonzero) digits is 51030000, while the sum is 57.

The spelling of 664375155313305 in words is "six hundred sixty-four trillion, three hundred seventy-five billion, one hundred fifty-five million, three hundred thirteen thousand, three hundred five".

Divisors: 1 3 5 15 44291677020887 132875031062661 221458385104435 664375155313305