Base | Representation |
---|---|
bin | 10010110100011100… |
… | …011010000000111000 |
3 | 1221011021102212022100 |
4 | 102310130122000320 |
5 | 312341021332043 |
6 | 13141050423400 |
7 | 1313516330145 |
oct | 226434320070 |
9 | 57137385270 |
10 | 20207214648 |
11 | 862a49a4a5 |
12 | 3abb431b60 |
13 | 1ba05b9a5a |
14 | d99a253cc |
15 | 7d404ccd3 |
hex | 4b471a038 |
20207214648 has 48 divisors (see below), whose sum is σ = 54966904200. Its totient is φ = 6706319040.
The previous prime is 20207214553. The next prime is 20207214683. The reversal of 20207214648 is 84641270202.
20207214648 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 7 + 2 + 1 + 4 + 648 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596298 + ... + 629273.
Almost surely, 220207214648 is an apocalyptic number.
It is an amenable number.
20207214648 is an abundant number, since it is smaller than the sum of its proper divisors (34759689552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20207214648 is a wasteful number, since it uses less digits than its factorization.
20207214648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1225812 (or 1225805 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 36.
The spelling of 20207214648 in words is "twenty billion, two hundred seven million, two hundred fourteen thousand, six hundred forty-eight".
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