Base | Representation |
---|---|
bin | 110100001101011110… |
… | …0011110010101011010 |
3 | 101201101220211121201220 |
4 | 1220122330132111122 |
5 | 3314111012211302 |
6 | 123301402352510 |
7 | 11046316363521 |
oct | 1503274362532 |
9 | 351356747656 |
10 | 112121210202 |
11 | 436065557a1 |
12 | 198911bb736 |
13 | a75ab02c81 |
14 | 55d8bd14b8 |
15 | 2db344e4bc |
hex | 1a1af1e55a |
112121210202 has 16 divisors (see below), whose sum is σ = 237433151232. Its totient is φ = 35175281600.
The previous prime is 112121210063. The next prime is 112121210239. The reversal of 112121210202 is 202012121211.
It is a super-2 number, since 2×1121212102022 (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 7 ways as a sum of consecutive naturals, for example, 549613674 + ... + 549613877.
It is an arithmetic number, because the mean of its divisors is an integer number (14839571952).
Almost surely, 2112121210202 is an apocalyptic number.
112121210202 is an abundant number, since it is smaller than the sum of its proper divisors (125311941030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
112121210202 is a wasteful number, since it uses less digits than its factorization.
112121210202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1099227573.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 112121210202 its reverse (202012121211), we get a palindrome (314133331413).
The spelling of 112121210202 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".
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