Search a number
-
+
27101531459 is a prime number
BaseRepresentation
bin11001001111011000…
…001000110101000011
32120221202022110000102
4121033120020311003
5421000443001314
620241131513015
71646413134152
oct311730106503
976852273012
1027101531459
1110548120792
1253042b876b
13272ba3c462
141451511599
15a8943d5de
hex64f608d43

27101531459 has 2 divisors, whose sum is σ = 27101531460. Its totient is φ = 27101531458.

The previous prime is 27101531449. The next prime is 27101531473. The reversal of 27101531459 is 95413510172.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27101531459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (27101531449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13550765729 + 13550765730.

It is an arithmetic number, because the mean of its divisors is an integer number (13550765730).

Almost surely, 227101531459 is an apocalyptic number.

27101531459 is a deficient number, since it is larger than the sum of its proper divisors (1).

27101531459 is an equidigital number, since it uses as much as digits as its factorization.

27101531459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 27101531459 in words is "twenty-seven billion, one hundred one million, five hundred thirty-one thousand, four hundred fifty-nine".