Base | Representation |
---|---|
bin | 1001011111100001011110… |
… | …01000110111110001100111 |
3 | 2201220120022002012200110000 |
4 | 10233300233020313301213 |
5 | 10214001112432211234 |
6 | 112221311413232343 |
7 | 4253056255454313 |
oct | 457605710676147 |
9 | 81816262180400 |
10 | 20874331913319 |
11 | 6718833199455 |
12 | 24117036326b3 |
13 | b85596cbc071 |
14 | 52247466cb43 |
15 | 262ec8c23899 |
hex | 12fc2f237c67 |
20874331913319 has 20 divisors (see below), whose sum is σ = 31195907820000. Its totient is φ = 13910301871200.
The previous prime is 20874331913317. The next prime is 20874331913353. The reversal of 20874331913319 is 91331913347802.
20874331913319 is a `hidden beast` number, since 2 + 0 + 8 + 7 + 4 + 3 + 319 + 1 + 3 + 319 = 666.
It is not a de Polignac number, because 20874331913319 - 21 = 20874331913317 is a prime.
It is a super-2 number, since 2×208743319133192 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20874331913317) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54617694 + ... + 54998555.
It is an arithmetic number, because the mean of its divisors is an integer number (1559795391000).
Almost surely, 220874331913319 is an apocalyptic number.
20874331913319 is a deficient number, since it is larger than the sum of its proper divisors (10321575906681).
20874331913319 is a wasteful number, since it uses less digits than its factorization.
20874331913319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109618612 (or 109618603 counting only the distinct ones).
The product of its (nonzero) digits is 2939328, while the sum is 54.
The spelling of 20874331913319 in words is "twenty trillion, eight hundred seventy-four billion, three hundred thirty-one million, nine hundred thirteen thousand, three hundred nineteen".
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