Base | Representation |
---|---|
bin | 10111010001011000… |
… | …01011001100111011 |
3 | 1012020201100021021120 |
4 | 23220230023030323 |
5 | 201041410011143 |
6 | 5423430040323 |
7 | 621415536132 |
oct | 135054131473 |
9 | 35221307246 |
10 | 12493828923 |
11 | 5331493654 |
12 | 25081a90a3 |
13 | 1241568aa4 |
14 | 867448919 |
15 | 4d1cba383 |
hex | 2e8b0b33b |
12493828923 has 32 divisors (see below), whose sum is σ = 17654461440. Its totient is φ = 7845707520.
The previous prime is 12493828903. The next prime is 12493828937. The reversal of 12493828923 is 32982839421.
It is not a de Polignac number, because 12493828923 - 28 = 12493828667 is a prime.
It is a super-2 number, since 2×124938289232 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12493828903) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4603815 + ... + 4606527.
It is an arithmetic number, because the mean of its divisors is an integer number (551701920).
Almost surely, 212493828923 is an apocalyptic number.
12493828923 is a deficient number, since it is larger than the sum of its proper divisors (5160632517).
12493828923 is a wasteful number, since it uses less digits than its factorization.
12493828923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4019.
The product of its digits is 1492992, while the sum is 51.
The spelling of 12493828923 in words is "twelve billion, four hundred ninety-three million, eight hundred twenty-eight thousand, nine hundred twenty-three".
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