Base | Representation |
---|---|
bin | 111001010100111110… |
… | …0001010101100110100 |
3 | 102202202202120110101220 |
4 | 1302221330022230310 |
5 | 4004112203100020 |
6 | 132320034550340 |
7 | 11615533326066 |
oct | 1625174125464 |
9 | 382682513356 |
10 | 123110206260 |
11 | 48235558118 |
12 | 1ba394383b0 |
13 | b7bc676ac2 |
14 | 5d5c439736 |
15 | 3308068240 |
hex | 1ca9f0ab34 |
123110206260 has 48 divisors (see below), whose sum is σ = 362851137600. Its totient is φ = 31101525504.
The previous prime is 123110206259. The next prime is 123110206313. The reversal of 123110206260 is 62602011321.
It is a super-2 number, since 2×1231102062602 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 123110206260.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 53994565 + ... + 53996844.
It is an arithmetic number, because the mean of its divisors is an integer number (7559398700).
Almost surely, 2123110206260 is an apocalyptic number.
123110206260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
123110206260 is an abundant number, since it is smaller than the sum of its proper divisors (239740931340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123110206260 is a wasteful number, since it uses less digits than its factorization.
123110206260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107991440 (or 107991438 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 123110206260 its reverse (62602011321), we get a palindrome (185712217581).
The spelling of 123110206260 in words is "one hundred twenty-three billion, one hundred ten million, two hundred six thousand, two hundred sixty".
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