Base | Representation |
---|---|
bin | 101101100011111111111… |
… | …011101010101101011000 |
3 | 102002022201212101002222221 |
4 | 231203333323222231120 |
5 | 402244322141214000 |
6 | 10354213023353424 |
7 | 442131562034665 |
oct | 55437773525530 |
9 | 12068655332887 |
10 | 3131030023000 |
11 | aa7953905390 |
12 | 426993752874 |
13 | 199340c241a9 |
14 | ab7850c6a6c |
15 | 566a2c1961a |
hex | 2d8ffeeab58 |
3131030023000 has 128 divisors (see below), whose sum is σ = 7996532544000. Its totient is φ = 1138005552000.
The previous prime is 3131030022983. The next prime is 3131030023019. The reversal of 3131030023000 is 3200301313.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23021197 + ... + 23156803.
It is an arithmetic number, because the mean of its divisors is an integer number (62472910500).
Almost surely, 23131030023000 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 3131030023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3998266272000).
3131030023000 is an abundant number, since it is smaller than the sum of its proper divisors (4865502521000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131030023000 is a wasteful number, since it uses less digits than its factorization.
3131030023000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137738 (or 137724 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 3131030023000 its reverse (3200301313), we get a palindrome (3134230324313).
The spelling of 3131030023000 in words is "three trillion, one hundred thirty-one billion, thirty million, twenty-three thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •