Base | Representation |
---|---|
bin | 11101001010001111… |
… | …110011111100101111 |
3 | 2222211002002122101112 |
4 | 131022033303330233 |
5 | 1003110432224444 |
6 | 22214523102235 |
7 | 2155621156322 |
oct | 351217637457 |
9 | 88732078345 |
10 | 31310429999 |
11 | 12307a15532 |
12 | 609997197b |
13 | 2c4ca12574 |
14 | 17304c27b9 |
15 | c33bc969e |
hex | 74a3f3f2f |
31310429999 has 8 divisors (see below), whose sum is σ = 31487113728. Its totient is φ = 31134159000.
The previous prime is 31310429977. The next prime is 31310430007. The reversal of 31310429999 is 99992401313.
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 31310429999 - 28 = 31310429743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31310422999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49604 + ... + 255110.
It is an arithmetic number, because the mean of its divisors is an integer number (3935889216).
Almost surely, 231310429999 is an apocalyptic number.
31310429999 is a deficient number, since it is larger than the sum of its proper divisors (176683729).
31310429999 is a wasteful number, since it uses less digits than its factorization.
31310429999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206365.
The product of its (nonzero) digits is 472392, while the sum is 50.
The spelling of 31310429999 in words is "thirty-one billion, three hundred ten million, four hundred twenty-nine thousand, nine hundred ninety-nine".
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