Base | Representation |
---|---|
bin | 110111111011111010… |
… | …1111001111001000101 |
3 | 102111001112011000221212 |
4 | 1233313311321321011 |
5 | 3432002242020401 |
6 | 131103340021205 |
7 | 11451512011142 |
oct | 1576765717105 |
9 | 374045130855 |
10 | 120122220101 |
11 | 46a41952974 |
12 | 1b344831805 |
13 | b43460a960 |
14 | 5b5767d3c9 |
15 | 31d0a98dbb |
hex | 1bf7d79e45 |
120122220101 has 8 divisors (see below), whose sum is σ = 129381974904. Its totient is φ = 110865263040.
The previous prime is 120122220073. The next prime is 120122220107. The reversal of 120122220101 is 101022221021.
It can be written as a sum of positive squares in 4 ways, for example, as 675948001 + 119446272100 = 25999^2 + 345610^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120122220101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120122220107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609830 + ... + 782391.
It is an arithmetic number, because the mean of its divisors is an integer number (16172746863).
Almost surely, 2120122220101 is an apocalyptic number.
It is an amenable number.
120122220101 is a deficient number, since it is larger than the sum of its proper divisors (9259754803).
120122220101 is a wasteful number, since it uses less digits than its factorization.
120122220101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1398871.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 120122220101 its reverse (101022221021), we get a palindrome (221144441122).
The spelling of 120122220101 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, one hundred one".
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