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137686075428841 = 3832306372
BaseRepresentation
bin11111010011100110001001…
…100111011100111111101001
3200001111122211022221011020021
4133103212021213130333221
5121021322040302210331
61204500035421000441
741000330205664102
oct3723461147347751
9601448738834207
10137686075428841
113a964378124815
12135385980b3121
135ba998355b414
1426000822593a9
1510db7e666b211
hex7d39899dcfe9

137686075428841 has 9 divisors (see below), whose sum is σ = 138051013746711. Its totient is φ = 137322099382392.

The previous prime is 137686075428793. The next prime is 137686075428887. The reversal of 137686075428841 is 148824570686731.

The square root of 137686075428841 is 11733971.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 131273045928025 + 6413029500816 = 11457445^2 + 2532396^2 .

It is not a de Polignac number, because 137686075428841 - 211 = 137686075426793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137686075428241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4494095575 + ... + 4494126211.

Almost surely, 2137686075428841 is an apocalyptic number.

137686075428841 is the 11733971-st square number.

137686075428841 is the 5866986-th centered octagonal number.

It is an amenable number.

137686075428841 is a deficient number, since it is larger than the sum of its proper divisors (364938317870).

137686075428841 is an frugal number, since it uses more digits than its factorization.

137686075428841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62040 (or 31020 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 137686075428841 in words is "one hundred thirty-seven trillion, six hundred eighty-six billion, seventy-five million, four hundred twenty-eight thousand, eight hundred forty-one".

Divisors: 1 383 30637 146689 11733971 938625769 4494110893 359493669527 137686075428841