Base | Representation |
---|---|
bin | 10010110111010100… |
… | …101001111100111110 |
3 | 1221021122022202011011 |
4 | 102313110221330332 |
5 | 312440402430210 |
6 | 13145533545434 |
7 | 1314644013634 |
oct | 226724517476 |
9 | 57248282134 |
10 | 20255514430 |
11 | 8654789878 |
12 | 3b1364527a |
13 | 1baa5cb2c8 |
14 | da21d9354 |
15 | 7d83ddd8a |
hex | 4b7529f3e |
20255514430 has 16 divisors (see below), whose sum is σ = 36468623520. Its totient is φ = 8100272992.
The previous prime is 20255514427. The next prime is 20255514431. The reversal of 20255514430 is 3441555202.
It is a junction number, because it is equal to n+sod(n) for n = 20255514392 and 20255514401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20255514431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197194 + ... + 281773.
It is an arithmetic number, because the mean of its divisors is an integer number (2279288970).
Almost surely, 220255514430 is an apocalyptic number.
20255514430 is a deficient number, since it is larger than the sum of its proper divisors (16213109090).
20255514430 is a wasteful number, since it uses less digits than its factorization.
20255514430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 483203.
The product of its (nonzero) digits is 24000, while the sum is 31.
The spelling of 20255514430 in words is "twenty billion, two hundred fifty-five million, five hundred fourteen thousand, four hundred thirty".
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