Cookie Consent by FreePrivacyPolicy.com
Search a number
-
+
131487272904079 is a prime number
BaseRepresentation
bin11101111001011001000100…
…001100011010010110001111
3122020120001122010100222001101
4131321121010030122112033
5114213241413330412304
61143352230321523531
736460433124620221
oct3571310414322617
9566501563328041
10131487272904079
1138994491763024
12128b71457a35a7
13584a272ccb6b1
14246803741c411
15103044444b8a4
hex77964431a58f

131487272904079 has 2 divisors, whose sum is σ = 131487272904080. Its totient is φ = 131487272904078.

The previous prime is 131487272904067. The next prime is 131487272904131. The reversal of 131487272904079 is 970409272784131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131487272904079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131487272904079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131487272904049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65743636452039 + 65743636452040.

It is an arithmetic number, because the mean of its divisors is an integer number (65743636452040).

Almost surely, 2131487272904079 is an apocalyptic number.

131487272904079 is a deficient number, since it is larger than the sum of its proper divisors (1).

131487272904079 is an equidigital number, since it uses as much as digits as its factorization.

131487272904079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 131487272904079 in words is "one hundred thirty-one trillion, four hundred eighty-seven billion, two hundred seventy-two million, nine hundred four thousand, seventy-nine".