Base | Representation |
---|---|
bin | 11101001001111010… |
… | …000000101001100010 |
3 | 2222210200100021200100 |
4 | 131021322000221202 |
5 | 1003103001333400 |
6 | 22214200403230 |
7 | 2155521454143 |
oct | 351172005142 |
9 | 88720307610 |
10 | 31304714850 |
11 | 12304771672 |
12 | 6097a76516 |
13 | 2c4b791116 |
14 | 172d835aca |
15 | c3344b100 |
hex | 749e80a62 |
31304714850 has 108 divisors (see below), whose sum is σ = 85384882674. Its totient is φ = 8222797440.
The previous prime is 31304714839. The next prime is 31304714851. The reversal of 31304714850 is 5841740313.
It is a happy number.
31304714850 is a `hidden beast` number, since 3 + 130 + 47 + 1 + 485 + 0 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 29672474049 + 1632240801 = 172257^2 + 40401^2 .
It is not an unprimeable number, because it can be changed into a prime (31304714851) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2012302 + ... + 2027798.
Almost surely, 231304714850 is an apocalyptic number.
31304714850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 31304714850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42692441337).
31304714850 is an abundant number, since it is smaller than the sum of its proper divisors (54080167824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31304714850 is a wasteful number, since it uses less digits than its factorization.
31304714850 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15649 (or 15574 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 31304714850 in words is "thirty-one billion, three hundred four million, seven hundred fourteen thousand, eight hundred fifty".
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