Search a number
-
+
18535932161345 = 520232718322747
BaseRepresentation
bin1000011011011101110111…
…01001101110110101000001
32102122000110222112021211202
410031232323221232311001
54412143042113130340
6103231142323150545
73622114451515124
oct415567351566501
972560428467752
1018535932161345
1159a7054524365
1220b447a215455
13a45c14268481
14481202c2a3bb
152222672ecc15
hex10dbbba6ed41

18535932161345 has 8 divisors (see below), whose sum is σ = 22243229744064. Its totient is φ = 14828671628784.

The previous prime is 18535932161297. The next prime is 18535932161353. The reversal of 18535932161345 is 54316123953581.

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 18535932161345 - 26 = 18535932161281 is a prime.

It is a super-2 number, since 2×185359321613452 (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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, 8149739 + ... + 10173008.

It is an arithmetic number, because the mean of its divisors is an integer number (2780403718008).

Almost surely, 218535932161345 is an apocalyptic number.

It is an amenable number.

18535932161345 is a deficient number, since it is larger than the sum of its proper divisors (3707297582719).

18535932161345 is a wasteful number, since it uses less digits than its factorization.

18535932161345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18525079.

The product of its digits is 11664000, while the sum is 56.

The spelling of 18535932161345 in words is "eighteen trillion, five hundred thirty-five billion, nine hundred thirty-two million, one hundred sixty-one thousand, three hundred forty-five".

Divisors: 1 5 202327 1011635 18322747 91613735 3707186432269 18535932161345