Base | Representation |
---|---|
bin | 100110101001… |
… | …011001000100 |
3 | 201001201010200 |
4 | 212221121010 |
5 | 10043143022 |
6 | 1001050500 |
7 | 152053323 |
oct | 46513104 |
9 | 21051120 |
10 | 10131012 |
11 | 579a641 |
12 | 3486a30 |
13 | 21393a8 |
14 | 14ba0ba |
15 | d51bac |
hex | 9a9644 |
10131012 has 36 divisors (see below), whose sum is σ = 25714416. Its totient is φ = 3363120.
The previous prime is 10130999. The next prime is 10131019. The reversal of 10131012 is 21013101.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 10130985 and 10131003.
It is not an unprimeable number, because it can be changed into a prime (10131019) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12087 + ... + 12897.
Almost surely, 210131012 is an apocalyptic number.
10131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10131012 is an abundant number, since it is smaller than the sum of its proper divisors (15583404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10131012 is a wasteful number, since it uses less digits than its factorization.
10131012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 10131012 is about 3182.9250698061. The cubic root of 10131012 is about 216.3802458612.
Adding to 10131012 its reverse (21013101), we get a palindrome (31144113).
It can be divided in two parts, 1013101 and 2, that multiplied together give a palindrome (2026202).
The spelling of 10131012 in words is "ten million, one hundred thirty-one thousand, twelve".
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