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115498980913 = 194681593273
BaseRepresentation
bin110101110010001000…
…1101001011000110001
3102001010022201011001211
41223210101221120301
53343020214342123
6125020504000121
711226113065531
oct1534421513061
9361108634054
10115498980913
1144a8a188938
121a474460041
13ab78844a74
1458396534c1
15300ec6540d
hex1ae4469631

115498980913 has 4 divisors (see below), whose sum is σ = 115499768868. Its totient is φ = 115498192960.

The previous prime is 115498980907. The next prime is 115498980983. The reversal of 115498980913 is 319089894511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1679114529 + 113819866384 = 40977^2 + 337372^2 .

It is a cyclic number.

It is not a de Polignac number, because 115498980913 - 225 = 115465426481 is a prime.

It is a Smith number, since the sum of its digits (58) 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 (115498980983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101956 + ... + 491317.

It is an arithmetic number, because the mean of its divisors is an integer number (28874942217).

Almost surely, 2115498980913 is an apocalyptic number.

It is an amenable number.

115498980913 is a deficient number, since it is larger than the sum of its proper divisors (787955).

115498980913 is an equidigital number, since it uses as much as digits as its factorization.

115498980913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787954.

The product of its (nonzero) digits is 2799360, while the sum is 58.

The spelling of 115498980913 in words is "one hundred fifteen billion, four hundred ninety-eight million, nine hundred eighty thousand, nine hundred thirteen".

Divisors: 1 194681 593273 115498980913