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115242206154 = 23683159717609
BaseRepresentation
bin110101101010011111…
…0001000001111001010
3102000110102112122022120
41223110332020033022
53342004001044104
6124535212232110
711216544406215
oct1532476101712
9360412478276
10115242206154
1144968248199
121a40246b636
13ab3759c83a
1458134d277c
152ee7443cd9
hex1ad4f883ca

115242206154 has 32 divisors (see below), whose sum is σ = 230979522240. Its totient is φ = 38331629952.

The previous prime is 115242206147. The next prime is 115242206221. The reversal of 115242206154 is 451602242511.

It is a happy number.

115242206154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6535702 + ... + 6553310.

It is an arithmetic number, because the mean of its divisors is an integer number (7218110070).

Almost surely, 2115242206154 is an apocalyptic number.

115242206154 is an abundant number, since it is smaller than the sum of its proper divisors (115737316086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115242206154 is a wasteful number, since it uses less digits than its factorization.

115242206154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19894.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 115242206154 its reverse (451602242511), we get a palindrome (566844448665).

The spelling of 115242206154 in words is "one hundred fifteen billion, two hundred forty-two million, two hundred six thousand, one hundred fifty-four".

Divisors: 1 2 3 6 683 1366 1597 2049 3194 4098 4791 9582 17609 35218 52827 105654 1090751 2181502 3272253 6544506 12026947 24053894 28121573 36080841 56243146 72161682 84364719 168729438 19207034359 38414068718 57621103077 115242206154