Search a number
-
+
139693493341 is a prime number
BaseRepresentation
bin1000001000011001100…
…0011000110001011101
3111100120110221201122201
42002012120120301131
54242043013241331
6144101352211501
713043510046613
oct2020630306135
9440513851581
10139693493341
1154275376156
12230a7099b91
13102332266cc
146a92a436b3
153978d79a61
hex2086618c5d

139693493341 has 2 divisors, whose sum is σ = 139693493342. Its totient is φ = 139693493340.

The previous prime is 139693493339. The next prime is 139693493419. The reversal of 139693493341 is 143394396931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119712540025 + 19980953316 = 345995^2 + 141354^2 .

It is a cyclic number.

It is not a de Polignac number, because 139693493341 - 21 = 139693493339 is a prime.

It is a super-2 number, since 2×1396934933412 (a number of 23 digits) contains 22 as substring.

Together with 139693493339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139693493441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69846746670 + 69846746671.

It is an arithmetic number, because the mean of its divisors is an integer number (69846746671).

Almost surely, 2139693493341 is an apocalyptic number.

It is an amenable number.

139693493341 is a deficient number, since it is larger than the sum of its proper divisors (1).

139693493341 is an equidigital number, since it uses as much as digits as its factorization.

139693493341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 55.

The spelling of 139693493341 in words is "one hundred thirty-nine billion, six hundred ninety-three million, four hundred ninety-three thousand, three hundred forty-one".