Base | Representation |
---|---|
bin | 11101001011110010… |
… | …111001000010110101 |
3 | 2222212212222012211011 |
4 | 131023302321002311 |
5 | 1003134104400000 |
6 | 22221251512221 |
7 | 2156355013606 |
oct | 351362710265 |
9 | 88785865734 |
10 | 31336403125 |
11 | 12320645525 |
12 | 60a65b8671 |
13 | 2c55207691 |
14 | 1733b23dad |
15 | c3610a2ba |
hex | 74bcb90b5 |
31336403125 has 48 divisors (see below), whose sum is σ = 42653520000. Its totient is φ = 22929480000.
The previous prime is 31336403083. The next prime is 31336403141. The reversal of 31336403125 is 52130463313.
It is not a de Polignac number, because 31336403125 - 29 = 31336402613 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1712776 + ... + 1730974.
It is an arithmetic number, because the mean of its divisors is an integer number (888615000).
Almost surely, 231336403125 is an apocalyptic number.
It is an amenable number.
31336403125 is a deficient number, since it is larger than the sum of its proper divisors (11317116875).
31336403125 is an equidigital number, since it uses as much as digits as its factorization.
31336403125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18272 (or 18252 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 31.
Adding to 31336403125 its reverse (52130463313), we get a palindrome (83466866438).
The spelling of 31336403125 in words is "thirty-one billion, three hundred thirty-six million, four hundred three thousand, one hundred twenty-five".
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