Base | Representation |
---|---|
bin | 1000000100111011111… |
… | …0101001101100001111 |
3 | 111021011200221120111222 |
4 | 2001032332221230033 |
5 | 4233142041000030 |
6 | 143425230033555 |
7 | 13011462352544 |
oct | 2011676515417 |
9 | 437150846458 |
10 | 138764000015 |
11 | 5393872a053 |
12 | 22a879488bb |
13 | 101157a4864 |
14 | 6a0540abcb |
15 | 39224743e5 |
hex | 204efa9b0f |
138764000015 has 16 divisors (see below), whose sum is σ = 172241356800. Its totient is φ = 107209539360.
The previous prime is 138764000009. The next prime is 138764000033. The reversal of 138764000015 is 510000467831.
It is not a de Polignac number, because 138764000015 - 212 = 138763995919 is a prime.
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, 843665 + ... + 994634.
It is an arithmetic number, because the mean of its divisors is an integer number (10765084800).
Almost surely, 2138764000015 is an apocalyptic number.
138764000015 is a deficient number, since it is larger than the sum of its proper divisors (33477356785).
138764000015 is a wasteful number, since it uses less digits than its factorization.
138764000015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838822.
The product of its (nonzero) digits is 20160, while the sum is 35.
Adding to 138764000015 its reverse (510000467831), we get a palindrome (648764467846).
The spelling of 138764000015 in words is "one hundred thirty-eight billion, seven hundred sixty-four million, fifteen", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •