Base | Representation |
---|---|
bin | 1110001100111010011110… |
… | …11101000011000100011110 |
3 | 11002120120012012101100211120 |
4 | 13012131033131003010132 |
5 | 13043133110244132110 |
6 | 150230514334031410 |
7 | 6402203336651304 |
oct | 706351735030436 |
9 | 132516165340746 |
10 | 31230040224030 |
11 | 9a506495a507a |
12 | 3604711348566 |
13 | 1456c9853383b |
14 | 79d7833d0274 |
15 | 392571dd6870 |
hex | 1c674f74311e |
31230040224030 has 64 divisors (see below), whose sum is σ = 78768011063808. Its totient is φ = 7914489125760.
The previous prime is 31230040224029. The next prime is 31230040224137. The reversal of 31230040224030 is 3042204003213.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327105426 + ... + 327200885.
It is an arithmetic number, because the mean of its divisors is an integer number (1230750172872).
Almost surely, 231230040224030 is an apocalyptic number.
31230040224030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31230040224030 is an abundant number, since it is smaller than the sum of its proper divisors (47537970839778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31230040224030 is a wasteful number, since it uses less digits than its factorization.
31230040224030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 654306401.
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 31230040224030 its reverse (3042204003213), we get a palindrome (34272244227243).
The spelling of 31230040224030 in words is "thirty-one trillion, two hundred thirty billion, forty million, two hundred twenty-four thousand, thirty".
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