Search a number
-
+
138764601458135 = 527752920291627
BaseRepresentation
bin11111100011010010100110…
…110001101111110111010111
3200012022202200122221012000122
4133203102212301233313113
5121142004400433130020
61211043324452502155
741141261116660052
oct3743224661576727
9605282618835018
10138764601458135
114023a811a34784
121369161431a95b
135c575a4481343
14263a357791a99
1511098bbc99125
hex7e34a6c6fdd7

138764601458135 has 4 divisors (see below), whose sum is σ = 166517521749768. Its totient is φ = 111011681166504.

The previous prime is 138764601458107. The next prime is 138764601458141. The reversal of 138764601458135 is 531854106467831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138764601458135 - 214 = 138764601441751 is a prime.

It is a super-2 number, since 2×1387646014581352 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13876460145809 + ... + 13876460145818.

It is an arithmetic number, because the mean of its divisors is an integer number (41629380437442).

Almost surely, 2138764601458135 is an apocalyptic number.

138764601458135 is a deficient number, since it is larger than the sum of its proper divisors (27752920291633).

138764601458135 is an equidigital number, since it uses as much as digits as its factorization.

138764601458135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752920291632.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 138764601458135 in words is "one hundred thirty-eight trillion, seven hundred sixty-four billion, six hundred one million, four hundred fifty-eight thousand, one hundred thirty-five".

Divisors: 1 5 27752920291627 138764601458135