Search a number
-
+
79230230003238 = 2372592918190537
BaseRepresentation
bin10010000000111100111001…
…101101101111111000100110
3101101112100001221210120010220
4102000330321231233320212
540341102002340100423
6440301510514025210
722455123650112456
oct2200747155577046
9341470057716126
1079230230003238
11232773963442a6
128a77423878206
1335294bcb0b532
14157ca99429d66
15925e605549e3
hex480f39b6fe26

79230230003238 has 16 divisors (see below), whose sum is σ = 158460687004080. Its totient is φ = 26410038834816.

The previous prime is 79230230003237. The next prime is 79230230003273. The reversal of 79230230003238 is 83230003203297.

It is a self number, because there is not a number n which added to its sum of digits gives 79230230003238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79230230003237) 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, 4739695 + ... + 13450842.

It is an arithmetic number, because the mean of its divisors is an integer number (9903792937755).

Almost surely, 279230230003238 is an apocalyptic number.

79230230003238 is an abundant number, since it is smaller than the sum of its proper divisors (79230457000842).

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

79230230003238 is a wasteful number, since it uses less digits than its factorization.

79230230003238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18916471.

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 79230230003238 in words is "seventy-nine trillion, two hundred thirty billion, two hundred thirty million, three thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 725929 1451858 2177787 4355574 18190537 36381074 54571611 109143222 13205038333873 26410076667746 39615115001619 79230230003238