Base | Representation |
---|---|
bin | 111000110111001100… |
… | …0111000100000110111 |
3 | 102200012010120122121202 |
4 | 1301232120320200313 |
5 | 4000040420212413 |
6 | 132032544403115 |
7 | 11552012142524 |
oct | 1615630704067 |
9 | 380163518552 |
10 | 122111100983 |
11 | 47872595583 |
12 | 1b7ba91649b |
13 | b690690c51 |
14 | 5ca588214b |
15 | 329a4b1e58 |
hex | 1c6e638837 |
122111100983 has 4 divisors (see below), whose sum is σ = 122142813768. Its totient is φ = 122079388200.
The previous prime is 122111100973. The next prime is 122111100989. The reversal of 122111100983 is 389001111221.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122111100983 - 216 = 122111035447 is a prime.
It is a super-2 number, since 2×1221111009832 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122111100989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15850616 + ... + 15858317.
It is an arithmetic number, because the mean of its divisors is an integer number (30535703442).
Almost surely, 2122111100983 is an apocalyptic number.
122111100983 is a deficient number, since it is larger than the sum of its proper divisors (31712785).
122111100983 is an equidigital number, since it uses as much as digits as its factorization.
122111100983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31712784.
The product of its (nonzero) digits is 864, while the sum is 29.
The spelling of 122111100983 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred thousand, nine hundred eighty-three".
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