Base | Representation |
---|---|
bin | 101000101000101011… |
… | …1001111010000111101 |
3 | 22100020121100102202220 |
4 | 1101101113033100331 |
5 | 2412204141023003 |
6 | 104031054435553 |
7 | 6206331044523 |
oct | 1212127172075 |
9 | 270217312686 |
10 | 87264392253 |
11 | 34010524545 |
12 | 14ab4802bb9 |
13 | 82c914c27c |
14 | 431b87a313 |
15 | 240b111353 |
hex | 14515cf43d |
87264392253 has 16 divisors (see below), whose sum is σ = 124234851840. Its totient is φ = 54352743984.
The previous prime is 87264392191. The next prime is 87264392291. The reversal of 87264392253 is 35229346278.
It is a happy number.
It is not a de Polignac number, because 87264392253 - 210 = 87264391229 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87264392196 and 87264392205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87264392153) by changing a digit.
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, 14702863 + ... + 14708796.
It is an arithmetic number, because the mean of its divisors is an integer number (7764678240).
Almost surely, 287264392253 is an apocalyptic number.
It is an amenable number.
87264392253 is a deficient number, since it is larger than the sum of its proper divisors (36970459587).
87264392253 is a wasteful number, since it uses less digits than its factorization.
87264392253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29411728.
The product of its digits is 4354560, while the sum is 51.
The spelling of 87264392253 in words is "eighty-seven billion, two hundred sixty-four million, three hundred ninety-two thousand, two hundred fifty-three".
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