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115081840253 = 332334631911
BaseRepresentation
bin110101100101101101…
…0011000011001111101
3102000001020210012122202
41223023122120121331
53341141422342003
6124511243121245
711212556334152
oct1531332303175
9360036705582
10115081840253
1144895775996
121a378813225
13ab102b1683
1457da0aa229
152ed8318088
hex1acb69867d

115081840253 has 4 divisors (see below), whose sum is σ = 115116475488. Its totient is φ = 115047205020.

The previous prime is 115081840241. The next prime is 115081840267. The reversal of 115081840253 is 352048180511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352048180511 = 1529923011189.

It is a cyclic number.

It is not a de Polignac number, because 115081840253 - 28 = 115081839997 is a prime.

It is a super-2 number, since 2×1150818402532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115081840213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17312633 + ... + 17319278.

It is an arithmetic number, because the mean of its divisors is an integer number (28779118872).

Almost surely, 2115081840253 is an apocalyptic number.

It is an amenable number.

115081840253 is a deficient number, since it is larger than the sum of its proper divisors (34635235).

115081840253 is an equidigital number, since it uses as much as digits as its factorization.

115081840253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34635234.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 115081840253 in words is "one hundred fifteen billion, eighty-one million, eight hundred forty thousand, two hundred fifty-three".

Divisors: 1 3323 34631911 115081840253