Base | Representation |
---|---|
bin | 10010101110000011… |
… | …111111101101100111 |
3 | 1220212210222112012021 |
4 | 102232003333231213 |
5 | 312131114332132 |
6 | 13122304004011 |
7 | 1311046321504 |
oct | 225603775547 |
9 | 56783875167 |
10 | 20100152167 |
11 | 8585014907 |
12 | 3a8b600607 |
13 | 1b84372784 |
14 | d897164ab |
15 | 7c9950997 |
hex | 4ae0ffb67 |
20100152167 has 2 divisors, whose sum is σ = 20100152168. Its totient is φ = 20100152166.
The previous prime is 20100152159. The next prime is 20100152183. The reversal of 20100152167 is 76125100102.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20100152167 - 23 = 20100152159 is a prime.
It is a super-2 number, since 2×201001521672 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20100152467) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050076083 + 10050076084.
It is an arithmetic number, because the mean of its divisors is an integer number (10050076084).
Almost surely, 220100152167 is an apocalyptic number.
20100152167 is a deficient number, since it is larger than the sum of its proper divisors (1).
20100152167 is an equidigital number, since it uses as much as digits as its factorization.
20100152167 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 25.
Adding to 20100152167 its reverse (76125100102), we get a palindrome (96225252269).
The spelling of 20100152167 in words is "twenty billion, one hundred million, one hundred fifty-two thousand, one hundred sixty-seven".
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