Base | Representation |
---|---|
bin | 10010111010110011… |
… | …101000000111111100 |
3 | 1221102201022100100000 |
4 | 102322303220013330 |
5 | 313100333340202 |
6 | 13155422434300 |
7 | 1316253565623 |
oct | 227263500774 |
9 | 57381270300 |
10 | 20313965052 |
11 | 8684781677 |
12 | 3b2b132990 |
13 | 1bb9754c84 |
14 | da9c926ba |
15 | 7dd5d791c |
hex | 4bace81fc |
20313965052 has 72 divisors (see below), whose sum is σ = 53274837616. Its totient is φ = 6768292608.
The previous prime is 20313965051. The next prime is 20313965143. The reversal of 20313965052 is 25056931302.
It is a super-2 number, since 2×203139650522 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 20313964998 and 20313965016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313965051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3590658 + ... + 3596310.
Almost surely, 220313965052 is an apocalyptic number.
It is an amenable number.
20313965052 is an abundant number, since it is smaller than the sum of its proper divisors (32960872564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313965052 is a wasteful number, since it uses less digits than its factorization.
20313965052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9369 (or 9355 counting only the distinct ones).
The product of its (nonzero) digits is 48600, while the sum is 36.
The spelling of 20313965052 in words is "twenty billion, three hundred thirteen million, nine hundred sixty-five thousand, fifty-two".
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