Base | Representation |
---|---|
bin | 11111010100100101001… |
… | …010011101000100111111 |
3 | 21121202201121022100011112 |
4 | 133110211022131010333 |
5 | 240231104420102311 |
6 | 4324444435112235 |
7 | 311335350042515 |
oct | 37244512350477 |
9 | 7552647270145 |
10 | 2152402112831 |
11 | 75a912974953 |
12 | 2a919714267b |
13 | 127c8068c069 |
14 | 762692904b5 |
15 | 3aec78ee28b |
hex | 1f52529d13f |
2152402112831 has 2 divisors, whose sum is σ = 2152402112832. Its totient is φ = 2152402112830.
The previous prime is 2152402112821. The next prime is 2152402112873. The reversal of 2152402112831 is 1382112042512.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2152402112831 - 214 = 2152402096447 is a prime.
It is a super-2 number, since 2×21524021128312 (a number of 25 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2152402112821) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076201056415 + 1076201056416.
It is an arithmetic number, because the mean of its divisors is an integer number (1076201056416).
Almost surely, 22152402112831 is an apocalyptic number.
2152402112831 is a deficient number, since it is larger than the sum of its proper divisors (1).
2152402112831 is an equidigital number, since it uses as much as digits as its factorization.
2152402112831 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7680, while the sum is 32.
The spelling of 2152402112831 in words is "two trillion, one hundred fifty-two billion, four hundred two million, one hundred twelve thousand, eight hundred thirty-one".
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