Base | Representation |
---|---|
bin | 110111111110110110… |
… | …0000101101100100110 |
3 | 102111022100201112102120 |
4 | 1233331230011230212 |
5 | 3432202344412220 |
6 | 131121202250410 |
7 | 11454112530342 |
oct | 1577554055446 |
9 | 374270645376 |
10 | 120220310310 |
11 | 46a9225a561 |
12 | 1b371656a06 |
13 | b44ba330b9 |
14 | 5b666d4622 |
15 | 31d94c2a40 |
hex | 1bfdb05b26 |
120220310310 has 32 divisors (see below), whose sum is σ = 295238718720. Its totient is φ = 31313196768.
The previous prime is 120220310293. The next prime is 120220310311. The reversal of 120220310310 is 13013022021.
It is a super-2 number, since 2×1202203103102 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 120220310310.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120220310311) 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, 46595730 + ... + 46598309.
It is an arithmetic number, because the mean of its divisors is an integer number (9226209960).
Almost surely, 2120220310310 is an apocalyptic number.
120220310310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120220310310 is an abundant number, since it is smaller than the sum of its proper divisors (175018408410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120220310310 is a wasteful number, since it uses less digits than its factorization.
120220310310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93194092.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 120220310310 its reverse (13013022021), we get a palindrome (133233332331).
The spelling of 120220310310 in words is "one hundred twenty billion, two hundred twenty million, three hundred ten thousand, three hundred ten".
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