Base | Representation |
---|---|
bin | 100011101110110110101101… |
… | …110000111000110101100111 |
3 | 202121102112102101212100100121 |
4 | 203232312231300320311213 |
5 | 131044232204224324211 |
6 | 1314122220152022411 |
7 | 45046551006020425 |
oct | 4356665560706547 |
9 | 677375371770317 |
10 | 157151473667431 |
11 | 46089624a55921 |
12 | 15761012691a07 |
13 | 698c421b46349 |
14 | 2ab4259a10115 |
15 | 1327d0cca5271 |
hex | 8eedadc38d67 |
157151473667431 has 2 divisors, whose sum is σ = 157151473667432. Its totient is φ = 157151473667430.
The previous prime is 157151473667417. The next prime is 157151473667449. The reversal of 157151473667431 is 134766374151751.
It is a weak prime.
It is an emirp because it is prime and its reverse (134766374151751) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 157151473667431 - 27 = 157151473667303 is a prime.
It is a super-2 number, since 2×1571514736674312 (a number of 29 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 157151473667431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (157151473667471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78575736833715 + 78575736833716.
It is an arithmetic number, because the mean of its divisors is an integer number (78575736833716).
Almost surely, 2157151473667431 is an apocalyptic number.
157151473667431 is a deficient number, since it is larger than the sum of its proper divisors (1).
157151473667431 is an equidigital number, since it uses as much as digits as its factorization.
157151473667431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 44452800, while the sum is 61.
The spelling of 157151473667431 in words is "one hundred fifty-seven trillion, one hundred fifty-one billion, four hundred seventy-three million, six hundred sixty-seven thousand, four hundred thirty-one".
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