Base | Representation |
---|---|
bin | 11101000011011101… |
… | …101100100110001001 |
3 | 2222112010221222021222 |
4 | 131003131230212021 |
5 | 1002342314120020 |
6 | 22155340011425 |
7 | 2153036655155 |
oct | 350335544611 |
9 | 88463858258 |
10 | 31196629385 |
11 | 12259758439 |
12 | 6067830b75 |
13 | 2c3227931c |
14 | 171d33c065 |
15 | c28beab25 |
hex | 74376c989 |
31196629385 has 8 divisors (see below), whose sum is σ = 37457692800. Its totient is φ = 24942811824.
The previous prime is 31196629367. The next prime is 31196629403. The reversal of 31196629385 is 58392669113.
It is an interprime number because it is at equal distance from previous prime (31196629367) and next prime (31196629403).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31196629385 - 214 = 31196613001 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801985 + ... + 1819214.
It is an arithmetic number, because the mean of its divisors is an integer number (4682211600).
Almost surely, 231196629385 is an apocalyptic number.
It is an amenable number.
31196629385 is a deficient number, since it is larger than the sum of its proper divisors (6261063415).
31196629385 is a wasteful number, since it uses less digits than its factorization.
31196629385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3622927.
The product of its digits is 2099520, while the sum is 53.
The spelling of 31196629385 in words is "thirty-one billion, one hundred ninety-six million, six hundred twenty-nine thousand, three hundred eighty-five".
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