Base | Representation |
---|---|
bin | 1000000101000010010… |
… | …0011010000100111110 |
3 | 111021020120010210101010 |
4 | 2001100210122010332 |
5 | 4233220403043000 |
6 | 143432021500050 |
7 | 13012235161500 |
oct | 2012044320476 |
9 | 437216123333 |
10 | 138790674750 |
11 | 53951799192 |
12 | 22a94871626 |
13 | 1011b184120 |
14 | 6a08b91d70 |
15 | 3924992d50 |
hex | 205091a13e |
138790674750 has 192 divisors, whose sum is σ = 433980106560. Its totient is φ = 29283206400.
The previous prime is 138790674733. The next prime is 138790674751. The reversal of 138790674750 is 57476097831.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138790674751) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 332496 + ... + 623004.
It is an arithmetic number, because the mean of its divisors is an integer number (2260313055).
Almost surely, 2138790674750 is an apocalyptic number.
138790674750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 138790674750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216990053280).
138790674750 is an abundant number, since it is smaller than the sum of its proper divisors (295189431810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138790674750 is a wasteful number, since it uses less digits than its factorization.
138790674750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290556 (or 290539 counting only the distinct ones).
The product of its (nonzero) digits is 8890560, while the sum is 57.
The spelling of 138790674750 in words is "one hundred thirty-eight billion, seven hundred ninety million, six hundred seventy-four thousand, seven hundred fifty".
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