Search a number
-
+
115267447731 = 3151261797231
BaseRepresentation
bin110101101011001111…
…0011010101110110011
3102000112012001001020210
41223112132122232303
53342031431311411
6124541513235203
711220302065632
oct1532636325663
9360465031223
10115267447731
11449805185a7
121a40aa02b03
13ab3c899997
1458169c3519
152ee977cca6
hex1ad679abb3

115267447731 has 16 divisors (see below), whose sum is σ = 154768452608. Its totient is φ = 76306104000.

The previous prime is 115267447699. The next prime is 115267447787. The reversal of 115267447731 is 137744762511.

It is not a de Polignac number, because 115267447731 - 25 = 115267447699 is a prime.

It is a super-2 number, since 2×1152674477312 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115267447531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136886 + ... + 1234116.

It is an arithmetic number, because the mean of its divisors is an integer number (9673028288).

Almost surely, 2115267447731 is an apocalyptic number.

115267447731 is a deficient number, since it is larger than the sum of its proper divisors (39501004877).

115267447731 is a wasteful number, since it uses less digits than its factorization.

115267447731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100002.

The product of its digits is 987840, while the sum is 48.

The spelling of 115267447731 in words is "one hundred fifteen billion, two hundred sixty-seven million, four hundred forty-seven thousand, seven hundred thirty-one".

Divisors: 1 3 151 453 2617 7851 97231 291693 395167 1185501 14681881 44045643 254453527 763360581 38422482577 115267447731