Search a number
-
+
105269658018 = 2373138007733
BaseRepresentation
bin110001000001010001…
…1111000000110100010
3101001201102102201001220
41202002203320012202
53211043013024033
6120205450035510
710414452220650
oct1420243700642
9331642381056
10105269658018
114070aa83178
121849a718b96
139c084a4595
145148c77dd0
152b11ba9bb3
hex18828f81a2

105269658018 has 32 divisors (see below), whose sum is σ = 241385133696. Its totient is φ = 29980948608.

The previous prime is 105269657981. The next prime is 105269658029. The reversal of 105269658018 is 810856962501.

It is a super-2 number, since 2×1052696580182 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3990721 + ... + 4017012.

It is an arithmetic number, because the mean of its divisors is an integer number (7543285428).

Almost surely, 2105269658018 is an apocalyptic number.

105269658018 is an abundant number, since it is smaller than the sum of its proper divisors (136115475678).

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

105269658018 is a wasteful number, since it uses less digits than its factorization.

105269658018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008058.

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 105269658018 in words is "one hundred five billion, two hundred sixty-nine million, six hundred fifty-eight thousand, eighteen".

Divisors: 1 2 3 6 7 14 21 42 313 626 939 1878 2191 4382 6573 13146 8007733 16015466 24023199 48046398 56054131 112108262 168162393 336324786 2506420429 5012840858 7519261287 15038522574 17544943003 35089886006 52634829009 105269658018