Base | Representation |
---|---|
bin | 1001010001100001000100… |
… | …01111101000101110000100 |
3 | 2200012120002202102010112020 |
4 | 10220300202033220232010 |
5 | 10133110011241330300 |
6 | 111212241250323140 |
7 | 4203231341335440 |
oct | 450604217505604 |
9 | 80176082363466 |
10 | 20393079245700 |
11 | 6552724651287 |
12 | 2354394b894b0 |
13 | b4c09cb74095 |
14 | 50705d211820 |
15 | 25570ddba8a0 |
hex | 128c223e8b84 |
20393079245700 has 1152 divisors, whose sum is σ = 74349161349120. Its totient is φ = 4212705024000.
The previous prime is 20393079245647. The next prime is 20393079245723. The reversal of 20393079245700 is 754297039302.
It is a super-2 number, since 2×203930792457002 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 12690154297 + ... + 12690155903.
It is an arithmetic number, because the mean of its divisors is an integer number (64539202560).
Almost surely, 220393079245700 is an apocalyptic number.
20393079245700 is a gapful number since it is divisible by the number (20) 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 20393079245700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37174580674560).
20393079245700 is an abundant number, since it is smaller than the sum of its proper divisors (53956082103420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20393079245700 is a wasteful number, since it uses less digits than its factorization.
20393079245700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1865 (or 1858 counting only the distinct ones).
The product of its (nonzero) digits is 2857680, while the sum is 51.
The spelling of 20393079245700 in words is "twenty trillion, three hundred ninety-three billion, seventy-nine million, two hundred forty-five thousand, seven hundred".
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