Base | Representation |
---|---|
bin | 10011010101100001… |
… | …110111110110010000 |
3 | 1222120221220220100200 |
4 | 103111201313312100 |
5 | 320010121430241 |
6 | 13312120015200 |
7 | 1333336413222 |
oct | 232541676620 |
9 | 58527826320 |
10 | 20762295696 |
11 | 889485806a |
12 | 4035301500 |
13 | 1c5b5b8b8c |
14 | 100d638412 |
15 | 817b464b6 |
hex | 4d5877d90 |
20762295696 has 120 divisors (see below), whose sum is σ = 59854736760. Its totient is φ = 6714316800.
The previous prime is 20762295691. The next prime is 20762295713. The reversal of 20762295696 is 69659226702.
It is a happy number.
20762295696 is a `hidden beast` number, since 2 + 0 + 7 + 622 + 9 + 5 + 6 + 9 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 6362295696 + 14400000000 = 79764^2 + 120000^2 .
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (20762295691) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1058910 + ... + 1078338.
It is an arithmetic number, because the mean of its divisors is an integer number (498789473).
Almost surely, 220762295696 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20762295696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29927368380).
20762295696 is an abundant number, since it is smaller than the sum of its proper divisors (39092441064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20762295696 is a wasteful number, since it uses less digits than its factorization.
20762295696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19665 (or 19656 counting only the distinct ones).
The product of its (nonzero) digits is 4898880, while the sum is 54.
The spelling of 20762295696 in words is "twenty billion, seven hundred sixty-two million, two hundred ninety-five thousand, six hundred ninety-six".
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