Base | Representation |
---|---|
bin | 101001110111010010… |
… | …1111001000101000111 |
3 | 22121001102221211012001 |
4 | 1103232211321011013 |
5 | 2433104434201310 |
6 | 105144525210131 |
7 | 6331601366644 |
oct | 1235645710507 |
9 | 277042854161 |
10 | 89902256455 |
11 | 35144530a00 |
12 | 15510100947 |
13 | 86297bb86b |
14 | 44cbd36dcb |
15 | 25129c093a |
hex | 14ee979147 |
89902256455 has 48 divisors (see below), whose sum is σ = 122521089600. Its totient is φ = 63232773120.
The previous prime is 89902256453. The next prime is 89902256489. The reversal of 89902256455 is 55465220998.
It is not a de Polignac number, because 89902256455 - 21 = 89902256453 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is a junction number, because it is equal to n+sod(n) for n = 89902256396 and 89902256405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89902256453) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3726271 + ... + 3750319.
It is an arithmetic number, because the mean of its divisors is an integer number (2552522700).
Almost surely, 289902256455 is an apocalyptic number.
89902256455 is a deficient number, since it is larger than the sum of its proper divisors (32618833145).
89902256455 is a wasteful number, since it uses less digits than its factorization.
89902256455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24280 (or 24269 counting only the distinct ones).
The product of its (nonzero) digits is 7776000, while the sum is 55.
The spelling of 89902256455 in words is "eighty-nine billion, nine hundred two million, two hundred fifty-six thousand, four hundred fifty-five".
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