Base | Representation |
---|---|
bin | 110111111011111011… |
… | …0101010101100111111 |
3 | 102111001112112012012200 |
4 | 1233313312222230333 |
5 | 3432002314420111 |
6 | 131103344202543 |
7 | 11451513503055 |
oct | 1576766525477 |
9 | 374045465180 |
10 | 120122420031 |
11 | 46a41a7a0a9 |
12 | 1b344909453 |
13 | b43467a963 |
14 | 5b576d21d5 |
15 | 31d0ad8256 |
hex | 1bf7daab3f |
120122420031 has 12 divisors (see below), whose sum is σ = 173574484200. Its totient is φ = 80051926320.
The previous prime is 120122420023. The next prime is 120122420051. The reversal of 120122420031 is 130024221021.
It is a happy number.
120122420031 is a `hidden beast` number, since 120 + 122 + 420 + 0 + 3 + 1 = 666.
It is not a de Polignac number, because 120122420031 - 23 = 120122420023 is a prime.
It is a super-2 number, since 2×1201224200312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120122419986 and 120122420013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120122420021) 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, 2448280 + ... + 2496861.
It is an arithmetic number, because the mean of its divisors is an integer number (14464540350).
Almost surely, 2120122420031 is an apocalyptic number.
120122420031 is a deficient number, since it is larger than the sum of its proper divisors (53452064169).
120122420031 is a wasteful number, since it uses less digits than its factorization.
120122420031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4947846 (or 4947843 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 120122420031 its reverse (130024221021), we get a palindrome (250146641052).
The spelling of 120122420031 in words is "one hundred twenty billion, one hundred twenty-two million, four hundred twenty thousand, thirty-one".
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