Base | Representation |
---|---|
bin | 10010111000011111… |
… | …100011110111011001 |
3 | 1221100000021100111111 |
4 | 102320133203313121 |
5 | 313010414302142 |
6 | 13151514500321 |
7 | 1315302635233 |
oct | 227037436731 |
9 | 57300240444 |
10 | 20275150297 |
11 | 8664880566 |
12 | 3b1a1346a1 |
13 | 1bb16b4a6c |
14 | da4a6b253 |
15 | 7d9ebbe17 |
hex | 4b87e3dd9 |
20275150297 has 2 divisors, whose sum is σ = 20275150298. Its totient is φ = 20275150296.
The previous prime is 20275150271. The next prime is 20275150303. The reversal of 20275150297 is 79205157202.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12569997456 + 7705152841 = 112116^2 + 87779^2 .
It is a cyclic number.
It is not a de Polignac number, because 20275150297 - 211 = 20275148249 is a prime.
It is a super-2 number, since 2×202751502972 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20275150397) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10137575148 + 10137575149.
It is an arithmetic number, because the mean of its divisors is an integer number (10137575149).
Almost surely, 220275150297 is an apocalyptic number.
It is an amenable number.
20275150297 is a deficient number, since it is larger than the sum of its proper divisors (1).
20275150297 is an equidigital number, since it uses as much as digits as its factorization.
20275150297 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 88200, while the sum is 40.
The spelling of 20275150297 in words is "twenty billion, two hundred seventy-five million, one hundred fifty thousand, two hundred ninety-seven".
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