Base | Representation |
---|---|
bin | 1001011101100100101111… |
… | …11100011111110001111101 |
3 | 2201200011110110001200202100 |
4 | 10232302113330133301331 |
5 | 10211401443411102003 |
6 | 112130435120215313 |
7 | 4245166021421322 |
oct | 456622774376175 |
9 | 81604413050670 |
10 | 20807370800253 |
11 | 66a23a1408094 |
12 | 240073646a539 |
13 | b7c185322c7b |
14 | 51d1214a2b49 |
15 | 2613aa2d8ba3 |
hex | 12ec97f1fc7d |
20807370800253 has 24 divisors (see below), whose sum is σ = 30327591565440. Its totient is φ = 13745863958400.
The previous prime is 20807370800243. The next prime is 20807370800383. The reversal of 20807370800253 is 35200807370802.
20807370800253 is a `hidden beast` number, since 20 + 8 + 0 + 7 + 370 + 8 + 0 + 0 + 253 = 666.
It is not a de Polignac number, because 20807370800253 - 26 = 20807370800189 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20807370800199 and 20807370800208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20807370800243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2530588 + ... + 6929546.
It is an arithmetic number, because the mean of its divisors is an integer number (1263649648560).
Almost surely, 220807370800253 is an apocalyptic number.
It is an amenable number.
20807370800253 is a deficient number, since it is larger than the sum of its proper divisors (9520220765187).
20807370800253 is a wasteful number, since it uses less digits than its factorization.
20807370800253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4403729 (or 4403726 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 20807370800253 in words is "twenty trillion, eight hundred seven billion, three hundred seventy million, eight hundred thousand, two hundred fifty-three".
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