Search a number
-
+
115355512255 = 531772779503
BaseRepresentation
bin110101101101110111…
…0010110110110111111
3102000202022202012001211
41223123232112312333
53342222002343010
6124554340545251
711222421450544
oct1533356266677
9360668665054
10115355512255
1144a161a77a5
121a4343b2227
13ab54bc1979
145824588bcb
15300237608a
hex1adbb96dbf

115355512255 has 8 divisors (see below), whose sum is σ = 138863293632. Its totient is φ = 91993290528.

The previous prime is 115355512253. The next prime is 115355512289. The reversal of 115355512255 is 552215553511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115355512255 - 21 = 115355512253 is a prime.

It is a super-2 number, since 2×1153555122552 (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 (115355512253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36388167 + ... + 36391336.

It is an arithmetic number, because the mean of its divisors is an integer number (17357911704).

Almost surely, 2115355512255 is an apocalyptic number.

115355512255 is a deficient number, since it is larger than the sum of its proper divisors (23507781377).

115355512255 is an equidigital number, since it uses as much as digits as its factorization.

115355512255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72779825.

The product of its digits is 187500, while the sum is 40.

The spelling of 115355512255 in words is "one hundred fifteen billion, three hundred fifty-five million, five hundred twelve thousand, two hundred fifty-five".

Divisors: 1 5 317 1585 72779503 363897515 23071102451 115355512255