Base | Representation |
---|---|
bin | 10000101010010… |
… | …01000001000000 |
3 | 100201222112020110 |
4 | 20111021001000 |
5 | 241234302210 |
6 | 21511311320 |
7 | 3314636424 |
oct | 1025110100 |
9 | 321875213 |
10 | 139759680 |
11 | 71988575 |
12 | 3a97b540 |
13 | 22c54b48 |
14 | 147c0b84 |
15 | c40a420 |
hex | 8549040 |
139759680 has 112 divisors (see below), whose sum is σ = 446592960. Its totient is φ = 37029888.
The previous prime is 139759679. The next prime is 139759681. The reversal of 139759680 is 86957931.
139759680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (139759679) and next prime (139759681).
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 (139759681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188751 + ... + 189489.
Almost surely, 2139759680 is an apocalyptic number.
139759680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 139759680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223296480).
139759680 is an abundant number, since it is smaller than the sum of its proper divisors (306833280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139759680 is a wasteful number, since it uses less digits than its factorization.
139759680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 956 (or 946 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 48.
The square root of 139759680 is about 11821.9998308239. Note that the first 3 decimals coincide. The cubic root of 139759680 is about 518.9521304523.
The spelling of 139759680 in words is "one hundred thirty-nine million, seven hundred fifty-nine thousand, six hundred eighty".
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