Base | Representation |
---|---|
bin | 10110010111101110… |
… | …11001100011011111 |
3 | 1011000000101000001120 |
4 | 23023313121203133 |
5 | 144044104411111 |
6 | 5303432542023 |
7 | 603424200510 |
oct | 131367314337 |
9 | 34000330046 |
10 | 12010232031 |
11 | 51035100a6 |
12 | 23b2251913 |
13 | 1195307b95 |
14 | 81d122a07 |
15 | 4a45e2406 |
hex | 2cbdd98df |
12010232031 has 16 divisors (see below), whose sum is σ = 18303419904. Its totient is φ = 6862197024.
The previous prime is 12010231993. The next prime is 12010232077. The reversal of 12010232031 is 13023201021.
It is not a de Polignac number, because 12010232031 - 210 = 12010231007 is a prime.
It is a super-2 number, since 2×120102320312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12010232031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12010230031) 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, 187281 + ... + 243093.
It is an arithmetic number, because the mean of its divisors is an integer number (1143963744).
Almost surely, 212010232031 is an apocalyptic number.
12010232031 is a deficient number, since it is larger than the sum of its proper divisors (6293187873).
12010232031 is a wasteful number, since it uses less digits than its factorization.
12010232031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66070.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 12010232031 its reverse (13023201021), we get a palindrome (25033433052).
The spelling of 12010232031 in words is "twelve billion, ten million, two hundred thirty-two thousand, thirty-one".
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