Base | Representation |
---|---|
bin | 1011000110101110111101… |
… | …0100010000101111001101 |
3 | 1121020021221122102211100010 |
4 | 2301223233110100233031 |
5 | 3100023204400340133 |
6 | 41545201232423433 |
7 | 2400110626364046 |
oct | 261535724205715 |
9 | 47207848384303 |
10 | 12210312121293 |
11 | 39884009633a0 |
12 | 14525349a7b79 |
13 | 6a757327c280 |
14 | 302da746d8cd |
15 | 162941858263 |
hex | b1aef510bcd |
12210312121293 has 16 divisors (see below), whose sum is σ = 19126642764096. Its totient is φ = 6830943843840.
The previous prime is 12210312121291. The next prime is 12210312121409. The reversal of 12210312121293 is 39212121301221.
It is not a de Polignac number, because 12210312121293 - 21 = 12210312121291 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12210312121293.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210312121291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14231132580 + ... + 14231133437.
It is an arithmetic number, because the mean of its divisors is an integer number (1195415172756).
Almost surely, 212210312121293 is an apocalyptic number.
12210312121293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12210312121293 is a deficient number, since it is larger than the sum of its proper divisors (6916330642803).
12210312121293 is a wasteful number, since it uses less digits than its factorization.
12210312121293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28462266044.
The product of its (nonzero) digits is 2592, while the sum is 30.
The spelling of 12210312121293 in words is "twelve trillion, two hundred ten billion, three hundred twelve million, one hundred twenty-one thousand, two hundred ninety-three".
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