Base | Representation |
---|---|
bin | 111000110100110100… |
… | …0001000101000101110 |
3 | 102122222120020221001100 |
4 | 1301221220020220232 |
5 | 3444404442304402 |
6 | 132021012223530 |
7 | 11550022124331 |
oct | 1615150105056 |
9 | 378876227040 |
10 | 122031213102 |
11 | 47831490637 |
12 | 1b79800aba6 |
13 | b679c6c906 |
14 | 5c99008618 |
15 | 329348171c |
hex | 1c69a08a2e |
122031213102 has 24 divisors (see below), whose sum is σ = 265080670920. Its totient is φ = 40572500400.
The previous prime is 122031213053. The next prime is 122031213119. The reversal of 122031213102 is 201312130221.
122031213102 is a `hidden beast` number, since 1 + 220 + 312 + 131 + 0 + 2 = 666.
It is a super-2 number, since 2×1220312131022 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8707024 + ... + 8721027.
It is an arithmetic number, because the mean of its divisors is an integer number (11045027955).
Almost surely, 2122031213102 is an apocalyptic number.
122031213102 is an abundant number, since it is smaller than the sum of its proper divisors (143049457818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122031213102 is a wasteful number, since it uses less digits than its factorization.
122031213102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17428448 (or 17428445 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 122031213102 its reverse (201312130221), we get a palindrome (323343343323).
The spelling of 122031213102 in words is "one hundred twenty-two billion, thirty-one million, two hundred thirteen thousand, one hundred two".
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