Base | Representation |
---|---|
bin | 1000001010110111111… |
… | …0101111011000011000 |
3 | 111102021210001222210022 |
4 | 2002231332233120120 |
5 | 4244423102440330 |
6 | 144251324010012 |
7 | 13066125054353 |
oct | 2025576573030 |
9 | 442253058708 |
10 | 140357858840 |
11 | 54586396851 |
12 | 23251690908 |
13 | 1030aa6a2a4 |
14 | 6b16d8329a |
15 | 39b735dae5 |
hex | 20adfaf618 |
140357858840 has 64 divisors (see below), whose sum is σ = 321747897600. Its totient is φ = 55090159488.
The previous prime is 140357858831. The next prime is 140357858887. The reversal of 140357858840 is 48858753041.
It is a super-2 number, since 2×1403578588402 (a number of 23 digits) contains 22 as substring.
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, 1236557 + ... + 1345283.
It is an arithmetic number, because the mean of its divisors is an integer number (5027310900).
Almost surely, 2140357858840 is an apocalyptic number.
140357858840 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 140357858840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160873948800).
140357858840 is an abundant number, since it is smaller than the sum of its proper divisors (181390038760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140357858840 is a wasteful number, since it uses less digits than its factorization.
140357858840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109344 (or 109340 counting only the distinct ones).
The product of its (nonzero) digits is 4300800, while the sum is 53.
The spelling of 140357858840 in words is "one hundred forty billion, three hundred fifty-seven million, eight hundred fifty-eight thousand, eight hundred forty".
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