Base | Representation |
---|---|
bin | 1000000100110000100… |
… | …0101000000011000000 |
3 | 111021001101011022011210 |
4 | 2001030020220003000 |
5 | 4233042332024242 |
6 | 143420403210120 |
7 | 13010342644233 |
oct | 2011410500300 |
9 | 437041138153 |
10 | 138716283072 |
11 | 539137a8664 |
12 | 22a73976940 |
13 | 10108938693 |
14 | 69dcd4941a |
15 | 391d19ad9c |
hex | 204c2280c0 |
138716283072 has 42 divisors (see below), whose sum is σ = 367033820668. Its totient is φ = 46237040768.
The previous prime is 138716283071. The next prime is 138716283073. The reversal of 138716283072 is 270382617831.
It is an interprime number because it is at equal distance from previous prime (138716283071) and next prime (138716283073).
It is a super-2 number, since 2×1387162830722 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (138716283071) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5147329 + ... + 5174207.
Almost surely, 2138716283072 is an apocalyptic number.
138716283072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
138716283072 is an abundant number, since it is smaller than the sum of its proper divisors (228317537596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138716283072 is an frugal number, since it uses more digits than its factorization.
138716283072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53773 (or 26884 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 48.
Multiplying 138716283072 by its sum of digits (48), we get a square (6658381587456 = 25803842).
138716283072 divided by its sum of digits (48) gives a square (2889922564 = 537582).
The spelling of 138716283072 in words is "one hundred thirty-eight billion, seven hundred sixteen million, two hundred eighty-three thousand, seventy-two".
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