Search a number
-
+
27157625371 is a prime number
BaseRepresentation
bin11001010010101110…
…000111101000011011
32121002122212022101201
4121102232013220123
5421104323002441
620250454055031
71650664002232
oct312256075033
977078768351
1027157625371
1110576853998
12531b04a477
13273a54c516
141458b53b19
15a8e31dc31
hex652b87a1b

27157625371 has 2 divisors, whose sum is σ = 27157625372. Its totient is φ = 27157625370.

The previous prime is 27157625359. The next prime is 27157625377. The reversal of 27157625371 is 17352675172.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27157625371 is a prime.

It is not a weakly prime, because it can be changed into another prime (27157625377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13578812685 + 13578812686.

It is an arithmetic number, because the mean of its divisors is an integer number (13578812686).

Almost surely, 227157625371 is an apocalyptic number.

27157625371 is a deficient number, since it is larger than the sum of its proper divisors (1).

27157625371 is an equidigital number, since it uses as much as digits as its factorization.

27157625371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617400, while the sum is 46.

The spelling of 27157625371 in words is "twenty-seven billion, one hundred fifty-seven million, six hundred twenty-five thousand, three hundred seventy-one".