Base | Representation |
---|---|
bin | 111000111000010010… |
… | …0101010101010011011 |
3 | 102200021200112022221202 |
4 | 1301300210222222123 |
5 | 4000124310310121 |
6 | 132040334024415 |
7 | 11552635460630 |
oct | 1616044525233 |
9 | 380250468852 |
10 | 122147744411 |
11 | 47891243300 |
12 | 1b80b04810b |
13 | b698150a54 |
14 | 5caa6a0187 |
15 | 329d7ee40b |
hex | 1c7092aa9b |
122147744411 has 12 divisors (see below), whose sum is σ = 153441795696. Its totient is φ = 95180059920.
The previous prime is 122147744399. The next prime is 122147744471. The reversal of 122147744411 is 114447741221.
It is not a de Polignac number, because 122147744411 - 222 = 122143550107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122147744471) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72105260 + ... + 72106953.
It is an arithmetic number, because the mean of its divisors is an integer number (12786816308).
Almost surely, 2122147744411 is an apocalyptic number.
122147744411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122147744411 is a deficient number, since it is larger than the sum of its proper divisors (31294051285).
122147744411 is a wasteful number, since it uses less digits than its factorization.
122147744411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144212242 (or 144212231 counting only the distinct ones).
The product of its digits is 50176, while the sum is 38.
The spelling of 122147744411 in words is "one hundred twenty-two billion, one hundred forty-seven million, seven hundred forty-four thousand, four hundred eleven".
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