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115202020252001 = 1011140614061901
BaseRepresentation
bin11010001100011010001111…
…011111101001100101100001
3120002220012112212102000202212
4122030122033133221211201
5110044432214141031001
61045003024423251505
733160033312216364
oct3214321737514541
9502805485360685
10115202020252001
11337859a2138101
1210b06b0b5a9b95
134c3867209cc77
142063b43c160db
15d4ba0791b7bb
hex68c68f7e9961

115202020252001 has 4 divisors (see below), whose sum is σ = 116342634314004. Its totient is φ = 114061406190000.

The previous prime is 115202020251961. The next prime is 115202020252027. The reversal of 115202020252001 is 100252020202511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73259493798976 + 41942526453025 = 8559176^2 + 6476305^2 .

It is a cyclic number.

It is not a de Polignac number, because 115202020252001 - 242 = 110803973740897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115202020212001) 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, 570307030850 + ... + 570307031051.

It is an arithmetic number, because the mean of its divisors is an integer number (29085658578501).

Almost surely, 2115202020252001 is an apocalyptic number.

It is an amenable number.

115202020252001 is a deficient number, since it is larger than the sum of its proper divisors (1140614062003).

115202020252001 is a wasteful number, since it uses less digits than its factorization.

115202020252001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140614062002.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 115202020252001 its reverse (100252020202511), we get a palindrome (215454040454512).

The spelling of 115202020252001 in words is "one hundred fifteen trillion, two hundred two billion, twenty million, two hundred fifty-two thousand, one".

Divisors: 1 101 1140614061901 115202020252001