Base | Representation |
---|---|
bin | 111100001101100… |
… | …0000111111011110 |
3 | 12012210122022020220 |
4 | 1320123000333132 |
5 | 13114202112440 |
6 | 532251022210 |
7 | 101031450012 |
oct | 17033007736 |
9 | 5183568226 |
10 | 2020347870 |
11 | 947485292 |
12 | 48473a966 |
13 | 26274cc18 |
14 | 152474542 |
15 | bc5818d0 |
hex | 786c0fde |
2020347870 has 32 divisors (see below), whose sum is σ = 4863507840. Its totient is φ = 537129120.
The previous prime is 2020347839. The next prime is 2020347907. The reversal of 2020347870 is 787430202.
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, 91800 + ... + 111659.
It is an arithmetic number, because the mean of its divisors is an integer number (151984620).
Almost surely, 22020347870 is an apocalyptic number.
2020347870 is an abundant number, since it is smaller than the sum of its proper divisors (2843159970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020347870 is a wasteful number, since it uses less digits than its factorization.
2020347870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203800.
The product of its (nonzero) digits is 18816, while the sum is 33.
The square root of 2020347870 is about 44948.2799448433. The cubic root of 2020347870 is about 1264.1794258557.
The spelling of 2020347870 in words is "two billion, twenty million, three hundred forty-seven thousand, eight hundred seventy".
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