Base | Representation |
---|---|
bin | 1000001001011111111… |
… | …0101011011010100000 |
3 | 111101100001112000012101 |
4 | 2002113332223122200 |
5 | 4243144104300330 |
6 | 144150540340144 |
7 | 13054023455341 |
oct | 2022776533240 |
9 | 441301460171 |
10 | 139988743840 |
11 | 54406aa6230 |
12 | 23169b44654 |
13 | 1027c45074a |
14 | 6abdd3c0c8 |
15 | 3994c4b4ca |
hex | 2097fab6a0 |
139988743840 has 96 divisors (see below), whose sum is σ = 366704029440. Its totient is φ = 50070451200.
The previous prime is 139988743789. The next prime is 139988743859. The reversal of 139988743840 is 48347889931.
139988743840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1399887438402 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544600 + ... + 759319.
It is an arithmetic number, because the mean of its divisors is an integer number (3819833640).
Almost surely, 2139988743840 is an apocalyptic number.
139988743840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
139988743840 is an abundant number, since it is smaller than the sum of its proper divisors (226715285600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139988743840 is a wasteful number, since it uses less digits than its factorization.
139988743840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1304006 (or 1303998 counting only the distinct ones).
The product of its (nonzero) digits is 41803776, while the sum is 64.
The spelling of 139988743840 in words is "one hundred thirty-nine billion, nine hundred eighty-eight million, seven hundred forty-three thousand, eight hundred forty".
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