Base | Representation |
---|---|
bin | 10110100110010001… |
… | …10010100010001110 |
3 | 1011022111221012121101 |
4 | 23103020302202032 |
5 | 144321322400220 |
6 | 5323511453314 |
7 | 606435156523 |
oct | 132310624216 |
9 | 34274835541 |
10 | 12132231310 |
11 | 5166367a51 |
12 | 242708723a |
13 | 11b4681ac4 |
14 | 8313dd14a |
15 | 4b019030a |
hex | 2d323288e |
12132231310 has 16 divisors (see below), whose sum is σ = 22987386000. Its totient is φ = 4597477056.
The previous prime is 12132231289. The next prime is 12132231311. The reversal of 12132231310 is 1313223121.
It is a super-2 number, since 2×121322313102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12132231311) 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, 31926735 + ... + 31927114.
It is an arithmetic number, because the mean of its divisors is an integer number (1436711625).
Almost surely, 212132231310 is an apocalyptic number.
12132231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12132231310 is a deficient number, since it is larger than the sum of its proper divisors (10855154690).
12132231310 is a wasteful number, since it uses less digits than its factorization.
12132231310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63853875.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 12132231310 its reverse (1313223121), we get a palindrome (13445454431).
The spelling of 12132231310 in words is "twelve billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred ten".
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