Base | Representation |
---|---|
bin | 1011000110101110111101… |
… | …0100010000101111110010 |
3 | 1121020021221122102211101111 |
4 | 2301223233110100233302 |
5 | 3100023204400340310 |
6 | 41545201232423534 |
7 | 2400110626364131 |
oct | 261535724205762 |
9 | 47207848384344 |
10 | 12210312121330 |
11 | 3988400963424 |
12 | 14525349a7baa |
13 | 6a757327c2ab |
14 | 302da746d918 |
15 | 16294185828a |
hex | b1aef510bf2 |
12210312121330 has 32 divisors (see below), whose sum is σ = 22936093747200. Its totient is φ = 4671375943872.
The previous prime is 12210312121291. The next prime is 12210312121409. The reversal of 12210312121330 is 3312121301221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480876 + ... + 4965064.
It is an arithmetic number, because the mean of its divisors is an integer number (716752929600).
Almost surely, 212210312121330 is an apocalyptic number.
12210312121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12210312121330 is a deficient number, since it is larger than the sum of its proper divisors (10725781625870).
12210312121330 is a wasteful number, since it uses less digits than its factorization.
12210312121330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4496058.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 12210312121330 its reverse (3312121301221), we get a palindrome (15522433422551).
The spelling of 12210312121330 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, one hundred twenty-one thousand, three hundred thirty".
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