Base | Representation |
---|---|
bin | 11101000111010010… |
… | …000000001111101000 |
3 | 2222200121110201121201 |
4 | 131013102000033220 |
5 | 1003010213014000 |
6 | 22205544413544 |
7 | 2154445223224 |
oct | 350722001750 |
9 | 88617421551 |
10 | 31260673000 |
11 | 12291920347 |
12 | 60851772b4 |
13 | 2c4261095b |
14 | 1727a4d784 |
15 | c2e64b96a |
hex | 7474803e8 |
31260673000 has 64 divisors (see below), whose sum is σ = 73262189520. Its totient is φ = 12485088000.
The previous prime is 31260672979. The next prime is 31260673009. The reversal of 31260673000 is 37606213.
It can be written as a sum of positive squares in 8 ways, for example, as 3938566564 + 27322106436 = 62758^2 + 165294^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 31260673000.
It is not an unprimeable number, because it can be changed into a prime (31260673009) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637354 + ... + 684646.
Almost surely, 231260673000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31260673000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36631094760).
31260673000 is an abundant number, since it is smaller than the sum of its proper divisors (42001516520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31260673000 is a wasteful number, since it uses less digits than its factorization.
31260673000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47975 (or 47961 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 28.
The spelling of 31260673000 in words is "thirty-one billion, two hundred sixty million, six hundred seventy-three thousand".
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