Base | Representation |
---|---|
bin | 101111100011011110… |
… | …1010100011110000100 |
3 | 100202121001221211201200 |
4 | 1133012331110132010 |
5 | 3133121241224304 |
6 | 114525253222500 |
7 | 10243453321116 |
oct | 1370675243604 |
9 | 322531854650 |
10 | 102122211204 |
11 | 3a345364862 |
12 | 17960631a30 |
13 | 98263a6310 |
14 | 4d2ac4d3b6 |
15 | 29ca6dce39 |
hex | 17c6f54784 |
102122211204 has 72 divisors (see below), whose sum is σ = 279440011032. Its totient is φ = 31259381760.
The previous prime is 102122211133. The next prime is 102122211229. The reversal of 102122211204 is 402112221201.
102122211204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 14677807104 + 87444404100 = 121152^2 + 295710^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474987 + ... + 655634.
Almost surely, 2102122211204 is an apocalyptic number.
It is an amenable number.
102122211204 is an abundant number, since it is smaller than the sum of its proper divisors (177317799828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102122211204 is a wasteful number, since it uses less digits than its factorization.
102122211204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130837 (or 1130832 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 102122211204 its reverse (402112221201), we get a palindrome (504234432405).
The spelling of 102122211204 in words is "one hundred two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred four".
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