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2539031313 = 3713194111939
BaseRepresentation
bin1001011101010110…
…1000101100010001
320112221122011011210
42113111220230101
520144443000223
61055540130333
7116630260440
oct22725505421
96487564153
102539031313
111093242895
125aa3969a9
133160470c0
141a12d0d57
15ecd8a893
hex97568b11

2539031313 has 64 divisors (see below), whose sum is σ = 4493260800. Its totient is φ = 1237731840.

The previous prime is 2539031309. The next prime is 2539031359. The reversal of 2539031313 is 3131309352.

It is not a de Polignac number, because 2539031313 - 22 = 2539031309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2539031713) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 206698 + ... + 218636.

It is an arithmetic number, because the mean of its divisors is an integer number (70207200).

Almost surely, 22539031313 is an apocalyptic number.

It is an amenable number.

2539031313 is a deficient number, since it is larger than the sum of its proper divisors (1954229487).

2539031313 is a wasteful number, since it uses less digits than its factorization.

2539031313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12022.

The product of its (nonzero) digits is 7290, while the sum is 30.

The square root of 2539031313 is about 50388.8014642142. The cubic root of 2539031313 is about 1364.2355182003.

The spelling of 2539031313 in words is "two billion, five hundred thirty-nine million, thirty-one thousand, three hundred thirteen".

Divisors: 1 3 7 13 19 21 39 41 57 91 123 133 247 273 287 399 533 741 779 861 1599 1729 2337 3731 5187 5453 10127 11193 11939 16359 30381 35817 70889 83573 155207 212667 226841 250719 465621 489499 680523 1086449 1468497 1587887 2948933 3259347 3426493 4763661 6363487 8846799 9300481 10279479 19090461 20642531 27901443 44544409 61927593 65103367 120906253 133633227 195310101 362718759 846343771 2539031313