Base | Representation |
---|---|
bin | 1000001100010000110… |
… | …1011001001011111000 |
3 | 111110020202211022021220 |
4 | 2003010031121023320 |
5 | 4301204041030330 |
6 | 144352325232040 |
7 | 13111304024112 |
oct | 2030415311370 |
9 | 443222738256 |
10 | 140730798840 |
11 | 5475795a125 |
12 | 23336562620 |
13 | 1036a0c5b48 |
14 | 6b507023b2 |
15 | 39d9e79710 |
hex | 20c43592f8 |
140730798840 has 64 divisors (see below), whose sum is σ = 422455370400. Its totient is φ = 37504837632.
The previous prime is 140730798833. The next prime is 140730798841. The reversal of 140730798840 is 48897037041.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140730798841) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171357 + ... + 557516.
Almost surely, 2140730798840 is an apocalyptic number.
140730798840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
140730798840 is an abundant number, since it is smaller than the sum of its proper divisors (281724571560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140730798840 is a wasteful number, since it uses less digits than its factorization.
140730798840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 730496 (or 730492 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 51.
The spelling of 140730798840 in words is "one hundred forty billion, seven hundred thirty million, seven hundred ninety-eight thousand, eight hundred forty".
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