Base | Representation |
---|---|
bin | 1110000110111101000000… |
… | …00111001111000100111010 |
3 | 11001211222112222021112210010 |
4 | 13003132200013033010322 |
5 | 13031304140131432310 |
6 | 145552443552002350 |
7 | 6351333150353232 |
oct | 703364007170472 |
9 | 131758488245703 |
10 | 31025235030330 |
11 | 9981801391812 |
12 | 3590a945303b6 |
13 | 14408898420a8 |
14 | 7938b507acc2 |
15 | 38c086b8b320 |
hex | 1c37a01cf13a |
31025235030330 has 64 divisors (see below), whose sum is σ = 74881620345600. Its totient is φ = 8226664072704.
The previous prime is 31025235030263. The next prime is 31025235030451. The reversal of 31025235030330 is 3303053252013.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 7907022 + ... + 11161158.
It is an arithmetic number, because the mean of its divisors is an integer number (1170025317900).
Almost surely, 231025235030330 is an apocalyptic number.
31025235030330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31025235030330 is an abundant number, since it is smaller than the sum of its proper divisors (43856385315270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31025235030330 is a wasteful number, since it uses less digits than its factorization.
31025235030330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3255943.
The product of its (nonzero) digits is 24300, while the sum is 30.
Adding to 31025235030330 its reverse (3303053252013), we get a palindrome (34328288282343).
The spelling of 31025235030330 in words is "thirty-one trillion, twenty-five billion, two hundred thirty-five million, thirty thousand, three hundred thirty".
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