Base | Representation |
---|---|
bin | 11101010010101010… |
… | …000001100000111010 |
3 | 10000011220120201011100 |
4 | 131102222001200322 |
5 | 1003403042102114 |
6 | 22240523112230 |
7 | 2162253333525 |
oct | 352252014072 |
9 | 100156521140 |
10 | 31451519034 |
11 | 1237a620841 |
12 | 6119072676 |
13 | 2c730114c0 |
14 | 174512bbbc |
15 | c41298909 |
hex | 752a8183a |
31451519034 has 48 divisors (see below), whose sum is σ = 73648194984. Its totient is φ = 9642931200.
The previous prime is 31451519017. The next prime is 31451519039. The reversal of 31451519034 is 43091515413.
It can be written as a sum of positive squares in 4 ways, for example, as 30302105625 + 1149413409 = 174075^2 + 33903^2 .
It is a super-3 number, since 3×314515190343 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31451519034.
It is not an unprimeable number, because it can be changed into a prime (31451519039) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173407 + ... + 304914.
Almost surely, 231451519034 is an apocalyptic number.
31451519034 is an abundant number, since it is smaller than the sum of its proper divisors (42196675950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31451519034 is a wasteful number, since it uses less digits than its factorization.
31451519034 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 478623 (or 478620 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The spelling of 31451519034 in words is "thirty-one billion, four hundred fifty-one million, five hundred nineteen thousand, thirty-four".
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