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157151473667431 is a prime number
BaseRepresentation
bin100011101110110110101101…
…110000111000110101100111
3202121102112102101212100100121
4203232312231300320311213
5131044232204224324211
61314122220152022411
745046551006020425
oct4356665560706547
9677375371770317
10157151473667431
1146089624a55921
1215761012691a07
13698c421b46349
142ab4259a10115
151327d0cca5271
hex8eedadc38d67

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".