Base | Representation |
---|---|
bin | 111001010010000100… |
… | …1011110110011111101 |
3 | 102202111222201120001011 |
4 | 1302210021132303331 |
5 | 4003412314030323 |
6 | 132302244115221 |
7 | 11613243346540 |
oct | 1624411366375 |
9 | 382458646034 |
10 | 123013033213 |
11 | 48195717614 |
12 | 1ba10995b11 |
13 | b7a54b2c65 |
14 | 5d4d582857 |
15 | 32ee77120d |
hex | 1ca425ecfd |
123013033213 has 16 divisors (see below), whose sum is σ = 143956500480. Its totient is φ = 102923953776.
The previous prime is 123013033189. The next prime is 123013033219. The reversal of 123013033213 is 312330310321.
It is not a de Polignac number, because 123013033213 - 217 = 123012902141 is a prime.
It is a super-2 number, since 2×1230130332132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123013033219) 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, 368581 + ... + 617962.
It is an arithmetic number, because the mean of its divisors is an integer number (8997281280).
Almost surely, 2123013033213 is an apocalyptic number.
It is an amenable number.
123013033213 is a deficient number, since it is larger than the sum of its proper divisors (20943467267).
123013033213 is an equidigital number, since it uses as much as digits as its factorization.
123013033213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 986976.
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 123013033213 its reverse (312330310321), we get a palindrome (435343343534).
The spelling of 123013033213 in words is "one hundred twenty-three billion, thirteen million, thirty-three thousand, two hundred thirteen".
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