Base | Representation |
---|---|
bin | 10010110100000001… |
… | …111011110100110011 |
3 | 1221010210101022020122 |
4 | 102310001323310303 |
5 | 312332232302001 |
6 | 13140242000455 |
7 | 1313403335522 |
oct | 226401736463 |
9 | 57123338218 |
10 | 20200275251 |
11 | 862658a862 |
12 | 3ab904612b |
13 | 1b9c02a2c0 |
14 | d98b3a4b9 |
15 | 7d362bb1b |
hex | 4b407bd33 |
20200275251 has 16 divisors (see below), whose sum is σ = 22709354304. Its totient is φ = 17828325504.
The previous prime is 20200275229. The next prime is 20200275259. The reversal of 20200275251 is 15257200202.
It is a cyclic number.
It is not a de Polignac number, because 20200275251 - 26 = 20200275187 is a prime.
It is a super-2 number, since 2×202002752512 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20200275251.
It is not an unprimeable number, because it can be changed into a prime (20200275259) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787805 + ... + 813041.
It is an arithmetic number, because the mean of its divisors is an integer number (1419334644).
Almost surely, 220200275251 is an apocalyptic number.
20200275251 is a deficient number, since it is larger than the sum of its proper divisors (2509079053).
20200275251 is a wasteful number, since it uses less digits than its factorization.
20200275251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27950.
The product of its (nonzero) digits is 2800, while the sum is 26.
Adding to 20200275251 its reverse (15257200202), we get a palindrome (35457475453).
The spelling of 20200275251 in words is "twenty billion, two hundred million, two hundred seventy-five thousand, two hundred fifty-one".
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