Search a number
-
+
13585844585857 = 71974561253423
BaseRepresentation
bin1100010110110011001101…
…1100001100010110000001
31210002210102212110001001211
43011230303130030112001
53240042302203221412
644521130103130121
72601354615411415
oct305546334142601
953083385401054
1013585844585857
1143687a70a5115
12163503ba43941
137771a7a6070b
1434d7b62d8d45
151885eb922ca7
hexc5b3370c581

13585844585857 has 8 divisors (see below), whose sum is σ = 13604976207360. Its totient is φ = 13566713621760.

The previous prime is 13585844585849. The next prime is 13585844585861. The reversal of 13585844585857 is 75858544858531.

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 13585844585857 - 23 = 13585844585849 is a prime.

It is a super-2 number, since 2×135858445858572 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13585844585657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53482648 + ... + 53736070.

It is an arithmetic number, because the mean of its divisors is an integer number (1700622025920).

Almost surely, 213585844585857 is an apocalyptic number.

It is an amenable number.

13585844585857 is a deficient number, since it is larger than the sum of its proper divisors (19131621503).

13585844585857 is an equidigital number, since it uses as much as digits as its factorization.

13585844585857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328703.

The product of its digits is 4300800000, while the sum is 76.

The spelling of 13585844585857 in words is "thirteen trillion, five hundred eighty-five billion, eight hundred forty-four million, five hundred eighty-five thousand, eight hundred fifty-seven".

Divisors: 1 719 74561 253423 53609359 182211137 18895472303 13585844585857