Base | Representation |
---|---|
bin | 10011000110100000… |
… | …010100111111010100 |
3 | 1221221101121202200221 |
4 | 103012200110333110 |
5 | 314001104420112 |
6 | 13231113244124 |
7 | 1324156046206 |
oct | 230640247724 |
9 | 57841552627 |
10 | 20510232532 |
11 | 87755452a9 |
12 | 3b84a03644 |
13 | 1c1b30338a |
14 | dc7d82776 |
15 | 800955e07 |
hex | 4c6814fd4 |
20510232532 has 12 divisors (see below), whose sum is σ = 35978166196. Its totient is φ = 10230756480.
The previous prime is 20510232527. The next prime is 20510232541. The reversal of 20510232532 is 23523201502.
It can be written as a sum of positive squares in 2 ways, for example, as 7955926416 + 12554306116 = 89196^2 + 112046^2 .
It is a super-2 number, since 2×205102325322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20510232497 and 20510232506.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6088053 + ... + 6091420.
Almost surely, 220510232532 is an apocalyptic number.
It is an amenable number.
20510232532 is a deficient number, since it is larger than the sum of its proper divisors (15467933664).
20510232532 is a wasteful number, since it uses less digits than its factorization.
20510232532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12179898 (or 12179896 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The spelling of 20510232532 in words is "twenty billion, five hundred ten million, two hundred thirty-two thousand, five hundred thirty-two".
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