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113656245143 = 72172925718307
BaseRepresentation
bin110100111011001110…
…0001010101110010111
3101212100220021110210212
41221312130022232113
53330231444321033
6124113555440035
711132336100200
oct1516634125627
9355326243725
10113656245143
1144223a95211
121a03b2b601b
13a943b40b7c
145702a145a7
152e530b9748
hex1a7670ab97

113656245143 has 48 divisors (see below), whose sum is σ = 145388221920. Its totient is φ = 88178098176.

The previous prime is 113656245137. The next prime is 113656245163. The reversal of 113656245143 is 341542656311.

It is not a de Polignac number, because 113656245143 - 212 = 113656241047 is a prime.

It is a super-2 number, since 2×1136562451432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113656245143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113656245163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6199196 + ... + 6217502.

It is an arithmetic number, because the mean of its divisors is an integer number (3028921290).

Almost surely, 2113656245143 is an apocalyptic number.

113656245143 is a deficient number, since it is larger than the sum of its proper divisors (31731976777).

113656245143 is a wasteful number, since it uses less digits than its factorization.

113656245143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18624 (or 18617 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 113656245143 in words is "one hundred thirteen billion, six hundred fifty-six million, two hundred forty-five thousand, one hundred forty-three".

Divisors: 1 7 17 29 49 119 203 257 493 833 1421 1799 3451 4369 7453 12593 18307 24157 30583 52171 126701 128149 214081 311219 365197 530903 886907 897043 2178533 3716321 4704899 6208349 9025351 15249731 26014247 32934293 63177457 79983283 136442071 230540051 442242199 559882981 955094497 2319515207 3919180867 6685661479 16236606449 113656245143