Base | Representation |
---|---|
bin | 111000111010001111… |
… | …0000011100010000010 |
3 | 102200110020112202120200 |
4 | 1301310132003202002 |
5 | 4000243024321010 |
6 | 132051031150030 |
7 | 11554361244453 |
oct | 1616436034202 |
9 | 380406482520 |
10 | 122213120130 |
11 | 47915136022 |
12 | 1b828b15316 |
13 | b6a88607ca |
14 | 5cb523b12a |
15 | 32a4414cc0 |
hex | 1c74783882 |
122213120130 has 48 divisors (see below), whose sum is σ = 317833498944. Its totient is φ = 32582023200.
The previous prime is 122213120093. The next prime is 122213120149. The reversal of 122213120130 is 31021312221.
122213120130 is a `hidden beast` number, since 1 + 2 + 221 + 312 + 0 + 130 = 666.
It is a super-2 number, since 2×1222131201302 (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 an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196987 + ... + 532193.
It is an arithmetic number, because the mean of its divisors is an integer number (6621531228).
Almost surely, 2122213120130 is an apocalyptic number.
122213120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122213120130 is an abundant number, since it is smaller than the sum of its proper divisors (195620378814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122213120130 is a wasteful number, since it uses less digits than its factorization.
122213120130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339271 (or 339268 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 122213120130 its reverse (31021312221), we get a palindrome (153234432351).
The spelling of 122213120130 in words is "one hundred twenty-two billion, two hundred thirteen million, one hundred twenty thousand, one hundred thirty".
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