Base | Representation |
---|---|
bin | 10010101101000010… |
… | …011111100001110000 |
3 | 1220211121200010202020 |
4 | 102231002133201300 |
5 | 312112220342401 |
6 | 13120451551440 |
7 | 1310450343642 |
oct | 225502374160 |
9 | 56747603666 |
10 | 20082980976 |
11 | 8576356943 |
12 | 3a858bb580 |
13 | 1b8093cac6 |
14 | d87326892 |
15 | 7c81acd36 |
hex | 4ad09f870 |
20082980976 has 80 divisors (see below), whose sum is σ = 53851219968. Its totient is φ = 6442502400.
The previous prime is 20082980959. The next prime is 20082981013. The reversal of 20082980976 is 67908928002.
It is a happy number.
It is a super-2 number, since 2×200829809762 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232045 + ... + 306611.
Almost surely, 220082980976 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 20082980976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26925609984).
20082980976 is an abundant number, since it is smaller than the sum of its proper divisors (33768238992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20082980976 is a wasteful number, since it uses less digits than its factorization.
20082980976 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74790 (or 74784 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 20082980976 in words is "twenty billion, eighty-two million, nine hundred eighty thousand, nine hundred seventy-six".
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