Base | Representation |
---|---|
bin | 11101001001101000… |
… | …000111101100011001 |
3 | 2222210100112000120101 |
4 | 131021220013230121 |
5 | 1003100301300423 |
6 | 22213512055401 |
7 | 2155433552350 |
oct | 351150075431 |
9 | 88710460511 |
10 | 31300025113 |
11 | 12302059155 |
12 | 6096394561 |
13 | 2c4a80b626 |
14 | 172cd74997 |
15 | c32d217ad |
hex | 749a07b19 |
31300025113 has 16 divisors (see below), whose sum is σ = 35935764480. Its totient is φ = 26705649600.
The previous prime is 31300025101. The next prime is 31300025131. The reversal of 31300025113 is 31152000313.
It is not a de Polignac number, because 31300025113 - 233 = 22710090521 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31300025413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347048 + ... + 1370086.
It is an arithmetic number, because the mean of its divisors is an integer number (2245985280).
Almost surely, 231300025113 is an apocalyptic number.
It is an amenable number.
31300025113 is a deficient number, since it is larger than the sum of its proper divisors (4635739367).
31300025113 is a wasteful number, since it uses less digits than its factorization.
31300025113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23928.
The product of its (nonzero) digits is 270, while the sum is 19.
Adding to 31300025113 its reverse (31152000313), we get a palindrome (62452025426).
The spelling of 31300025113 in words is "thirty-one billion, three hundred million, twenty-five thousand, one hundred thirteen".
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