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115147861930 = 2511514786193
BaseRepresentation
bin110101100111101011…
…0001110111110101010
3102000012212000110101001
41223033112032332222
53341310323040210
6124522002145214
711214320451163
oct1531726167652
9360185013331
10115147861930
1144919a69a62
121a39695220a
13ab20b8945a
145804b7476a
152ede00a03a
hex1acf58efaa

115147861930 has 8 divisors (see below), whose sum is σ = 207266151492. Its totient is φ = 46059144768.

The previous prime is 115147861903. The next prime is 115147861937. The reversal of 115147861930 is 39168741511.

It can be written as a sum of positive squares in 2 ways, for example, as 115137383761 + 10478169 = 339319^2 + 3237^2 .

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

It is not an unprimeable number, because it can be changed into a prime (115147861937) 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 3 ways as a sum of consecutive naturals, for example, 5757393087 + ... + 5757393106.

Almost surely, 2115147861930 is an apocalyptic number.

115147861930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115147861930 is a deficient number, since it is larger than the sum of its proper divisors (92118289562).

115147861930 is a wasteful number, since it uses less digits than its factorization.

115147861930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514786200.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 115147861930 in words is "one hundred fifteen billion, one hundred forty-seven million, eight hundred sixty-one thousand, nine hundred thirty".

Divisors: 1 2 5 10 11514786193 23029572386 57573930965 115147861930