Base | Representation |
---|---|
bin | 10011011100001100… |
… | …111100000001110000 |
3 | 1222212202120200110120 |
4 | 103130030330001300 |
5 | 320222301421204 |
6 | 13331155330240 |
7 | 1336166116530 |
oct | 233414740160 |
9 | 58782520416 |
10 | 20874248304 |
11 | 8941a72788 |
12 | 40668b0980 |
13 | 1c78855c20 |
14 | 102045b4c0 |
15 | 8228ac6d9 |
hex | 4dc33c070 |
20874248304 has 160 divisors (see below), whose sum is σ = 66511409664. Its totient is φ = 5493519360.
The previous prime is 20874248281. The next prime is 20874248327. The reversal of 20874248304 is 40384247802.
It is an interprime number because it is at equal distance from previous prime (20874248281) and next prime (20874248327).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2139822 + ... + 2149554.
Almost surely, 220874248304 is an apocalyptic number.
20874248304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20874248304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33255704832).
20874248304 is an abundant number, since it is smaller than the sum of its proper divisors (45637161360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20874248304 is a wasteful number, since it uses less digits than its factorization.
20874248304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10255 (or 10249 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 42.
The spelling of 20874248304 in words is "twenty billion, eight hundred seventy-four million, two hundred forty-eight thousand, three hundred four".
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