Search a number
-
+
70892089918 = 213215710871229
BaseRepresentation
bin100001000000101111…
…1110111001000111110
320202222120222022011221
41002001133313020332
52130141333334133
652322315303554
75056525551616
oct1020137671076
9222876868157
1070892089918
1128079811471
12118a574abba
1368ba201800
1436072b3a46
151c9dac8a2d
hex10817f723e

70892089918 has 48 divisors (see below), whose sum is σ = 116081614080. Its totient is φ = 32454684288.

The previous prime is 70892089907. The next prime is 70892089921. The reversal of 70892089918 is 81998029807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57682128 + ... + 57683356.

It is an arithmetic number, because the mean of its divisors is an integer number (2418366960).

Almost surely, 270892089918 is an apocalyptic number.

70892089918 is a deficient number, since it is larger than the sum of its proper divisors (45189524162).

70892089918 is a wasteful number, since it uses less digits than its factorization.

70892089918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2488 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 61.

The spelling of 70892089918 in words is "seventy billion, eight hundred ninety-two million, eighty-nine thousand, nine hundred eighteen".

Divisors: 1 2 13 26 157 169 314 338 1087 1229 2041 2174 2458 4082 14131 15977 26533 28262 31954 53066 170659 183703 192953 207701 341318 367406 385906 415402 1335923 2218567 2508389 2671846 4437134 5016778 17366999 28841371 32609057 34733998 57682742 65218114 209739911 225770987 419479822 451541974 2726618843 5453237686 35446044959 70892089918