Base | Representation |
---|---|
bin | 100011111110100101… |
… | …100111101100010110 |
3 | 10200201021001210120112 |
4 | 203332211213230112 |
5 | 1113104014410032 |
6 | 25425152403022 |
7 | 2535212123321 |
oct | 437645475426 |
9 | 120637053515 |
10 | 38631013142 |
11 | 15424221a47 |
12 | 75a1546472 |
13 | 3848571c77 |
14 | 1c2684d7b8 |
15 | 101171b1b2 |
hex | 8fe967b16 |
38631013142 has 32 divisors (see below), whose sum is σ = 61923398400. Its totient is φ = 18022769568.
The previous prime is 38631013139. The next prime is 38631013159. The reversal of 38631013142 is 24131013683.
It is a junction number, because it is equal to n+sod(n) for n = 38631013099 and 38631013108.
It is a congruent number.
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, 675959 + ... + 730877.
It is an arithmetic number, because the mean of its divisors is an integer number (1935106200).
Almost surely, 238631013142 is an apocalyptic number.
38631013142 is a deficient number, since it is larger than the sum of its proper divisors (23292385258).
38631013142 is a wasteful number, since it uses less digits than its factorization.
38631013142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55220.
The product of its (nonzero) digits is 10368, while the sum is 32.
The spelling of 38631013142 in words is "thirty-eight billion, six hundred thirty-one million, thirteen thousand, one hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •