Base | Representation |
---|---|
bin | 1001000110110100000010… |
… | …01010101011010110110000 |
3 | 2121220101210220112001200000 |
4 | 10203122001022223112300 |
5 | 10111043310434000330 |
6 | 110331255315230000 |
7 | 4134531500354640 |
oct | 443320112532660 |
9 | 77811726461600 |
10 | 20025304593840 |
11 | 6420758425a07 |
12 | 22b5055ba8300 |
13 | b234bb965ca0 |
14 | 4d3330c52520 |
15 | 24ad86673560 |
hex | 1236812ab5b0 |
20025304593840 has 480 divisors, whose sum is σ = 85836868755456. Its totient is φ = 4225118837760.
The previous prime is 20025304593817. The next prime is 20025304593841. The reversal of 20025304593840 is 4839540352002.
20025304593840 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 53 + 0 + 4 + 593 + 8 + 4 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (20025304593841) 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 95 ways as a sum of consecutive naturals, for example, 3890896 + ... + 7428975.
Almost surely, 220025304593840 is an apocalyptic number.
20025304593840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20025304593840 is an abundant number, since it is smaller than the sum of its proper divisors (65811564161616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20025304593840 is a wasteful number, since it uses less digits than its factorization.
20025304593840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11319919 (or 11319901 counting only the distinct ones).
The product of its (nonzero) digits is 1036800, while the sum is 45.
The spelling of 20025304593840 in words is "twenty trillion, twenty-five billion, three hundred four million, five hundred ninety-three thousand, eight hundred forty".
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