Base | Representation |
---|---|
bin | 10010110111101101… |
… | …01111101000011000 |
3 | 222011001021201222010 |
4 | 21123312233220120 |
5 | 131222014341440 |
6 | 4353142425520 |
7 | 506025116325 |
oct | 113366575030 |
9 | 28131251863 |
10 | 10131012120 |
11 | 4329768399 |
12 | 1b68a322a0 |
13 | c55b9b838 |
14 | 6c1707b4c |
15 | 3e463b580 |
hex | 25bdafa18 |
10131012120 has 64 divisors (see below), whose sum is σ = 30402073440. Its totient is φ = 2700800000.
The previous prime is 10131012091. The next prime is 10131012131. The reversal of 10131012120 is 2121013101.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 10131012096 and 10131012105.
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, 469570 + ... + 490670.
Almost surely, 210131012120 is an apocalyptic number.
10131012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10131012120 is an abundant number, since it is smaller than the sum of its proper divisors (20271061320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131012120 is a wasteful number, since it uses less digits than its factorization.
10131012120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25116 (or 25112 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 10131012120 its reverse (2121013101), we get a palindrome (12252025221).
The spelling of 10131012120 in words is "ten billion, one hundred thirty-one million, twelve thousand, one hundred twenty".
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