Base | Representation |
---|---|
bin | 10010110110111000… |
… | …101000010000011010 |
3 | 1221021010111110222210 |
4 | 102312320220100122 |
5 | 312432012324300 |
6 | 13145112255550 |
7 | 1314524404110 |
oct | 226670502032 |
9 | 57233443883 |
10 | 20248167450 |
11 | 8650620995 |
12 | 3b110a15b6 |
13 | 1ba8c28194 |
14 | da1245ab0 |
15 | 7d793c050 |
hex | 4b6e2841a |
20248167450 has 96 divisors (see below), whose sum is σ = 57946576896. Its totient is φ = 4583194560.
The previous prime is 20248167449. The next prime is 20248167479. The reversal of 20248167450 is 5476184202.
It is a junction number, because it is equal to n+sod(n) for n = 20248167399 and 20248167408.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14539 + ... + 201761.
It is an arithmetic number, because the mean of its divisors is an integer number (603610176).
Almost surely, 220248167450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20248167450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28973288448).
20248167450 is an abundant number, since it is smaller than the sum of its proper divisors (37698409446).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20248167450 is a wasteful number, since it uses less digits than its factorization.
20248167450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187348 (or 187343 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 39.
The spelling of 20248167450 in words is "twenty billion, two hundred forty-eight million, one hundred sixty-seven thousand, four hundred fifty".
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