Base | Representation |
---|---|
bin | 100110110111110101… |
… | …1111100000111010111 |
3 | 21222110201220022112212 |
4 | 1031233223330013113 |
5 | 2331430402334043 |
6 | 102203242504035 |
7 | 6013444502105 |
oct | 1155753740727 |
9 | 258421808485 |
10 | 83478168023 |
11 | 32448282208 |
12 | 1421880501b |
13 | 7b448c91c3 |
14 | 407ca92c75 |
15 | 2288a17018 |
hex | 136fafc1d7 |
83478168023 has 4 divisors (see below), whose sum is σ = 83572281840. Its totient is φ = 83384054208.
The previous prime is 83478168013. The next prime is 83478168031. The reversal of 83478168023 is 32086187438.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 83478168023 - 222 = 83473973719 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83478168013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47055578 + ... + 47057351.
It is an arithmetic number, because the mean of its divisors is an integer number (20893070460).
Almost surely, 283478168023 is an apocalyptic number.
83478168023 is a deficient number, since it is larger than the sum of its proper divisors (94113817).
83478168023 is an equidigital number, since it uses as much as digits as its factorization.
83478168023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94113816.
The product of its (nonzero) digits is 1548288, while the sum is 50.
The spelling of 83478168023 in words is "eighty-three billion, four hundred seventy-eight million, one hundred sixty-eight thousand, twenty-three".
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