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137224236281 = 1130750218093
BaseRepresentation
bin111111111001100110…
…0111010110011111001
3111010012101121110202112
41333303030322303321
54222013401030111
6143012343342105
712625354522466
oct1776314726371
9433171543675
10137224236281
115321855a840
1222718151935
13cc2b79c462
1468dab1666d
1538821c2e8b
hex1ff333acf9

137224236281 has 16 divisors (see below), whose sum is σ = 150235259328. Its totient is φ = 124302830400.

The previous prime is 137224236263. The next prime is 137224236299. The reversal of 137224236281 is 182632422731.

It is an interprime number because it is at equal distance from previous prime (137224236263) and next prime (137224236299).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137224236281 is a prime.

It is a super-2 number, since 2×1372242362812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137224236221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16951871 + ... + 16959963.

It is an arithmetic number, because the mean of its divisors is an integer number (9389703708).

Almost surely, 2137224236281 is an apocalyptic number.

137224236281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

137224236281 is a deficient number, since it is larger than the sum of its proper divisors (13011023047).

137224236281 is a wasteful number, since it uses less digits than its factorization.

137224236281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13432.

The product of its digits is 193536, while the sum is 41.

The spelling of 137224236281 in words is "one hundred thirty-seven billion, two hundred twenty-four million, two hundred thirty-six thousand, two hundred eighty-one".

Divisors: 1 11 307 3377 5021 8093 55231 89023 1541447 2484551 16955917 27330061 40634953 446984483 12474930571 137224236281