Base | Representation |
---|---|
bin | 11101100011101111111… |
… | …111110101001011101100 |
3 | 21012012000101012202000110 |
4 | 131203233333311023230 |
5 | 231240000232114434 |
6 | 4153051023300020 |
7 | 266516203025442 |
oct | 35435777651354 |
9 | 7165011182013 |
10 | 2031251051244 |
11 | 7134a329a168 |
12 | 289805a4a610 |
13 | 119713b8667c |
14 | 70455116b92 |
15 | 37c868784e9 |
hex | 1d8efff52ec |
2031251051244 has 48 divisors (see below), whose sum is σ = 4766491094400. Its totient is φ = 673240747776.
The previous prime is 2031251051237. The next prime is 2031251051261. The reversal of 2031251051244 is 4421501521302.
It is a super-2 number, since 2×20312510512442 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28358644 + ... + 28430180.
It is an arithmetic number, because the mean of its divisors is an integer number (99301897800).
Almost surely, 22031251051244 is an apocalyptic number.
It is an amenable number.
2031251051244 is an abundant number, since it is smaller than the sum of its proper divisors (2735240043156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031251051244 is a wasteful number, since it uses less digits than its factorization.
2031251051244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84942 (or 84940 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 2031251051244 its reverse (4421501521302), we get a palindrome (6452752572546).
The spelling of 2031251051244 in words is "two trillion, thirty-one billion, two hundred fifty-one million, fifty-one thousand, two hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •