Base | Representation |
---|---|
bin | 10110100100110101… |
… | …00000110101110010 |
3 | 1011021200002212212101 |
4 | 23102122200311302 |
5 | 144310221201320 |
6 | 5322355451014 |
7 | 606230103061 |
oct | 132232406562 |
9 | 34250085771 |
10 | 12120100210 |
11 | 515a531749 |
12 | 2422bb6a6a |
13 | 11b1cc523a |
14 | 82d9621d8 |
15 | 4ae095c0a |
hex | 2d26a0d72 |
12120100210 has 64 divisors (see below), whose sum is σ = 23170406400. Its totient is φ = 4557676032.
The previous prime is 12120100183. The next prime is 12120100319. The reversal of 12120100210 is 1200102121.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1668807 + ... + 1676053.
It is an arithmetic number, because the mean of its divisors is an integer number (362037600).
Almost surely, 212120100210 is an apocalyptic number.
12120100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12120100210 is a deficient number, since it is larger than the sum of its proper divisors (11050306190).
12120100210 is a wasteful number, since it uses less digits than its factorization.
12120100210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7435.
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 12120100210 its reverse (1200102121), we get a palindrome (13320202331).
The spelling of 12120100210 in words is "twelve billion, one hundred twenty million, one hundred thousand, two hundred ten".
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