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61114243817 = 117970327093
BaseRepresentation
bin111000111010101100…
…010101101011101001
312211202011020020220202
4320322230111223221
52000130221300232
644024150201545
74262316333644
oct707254255351
9184664206822
1061114243817
1123a11440a20
12ba170532b5
1359bc557263
142d5a85ca5b
1518ca49e162
hexe3ab15ae9

61114243817 has 8 divisors (see below), whose sum is σ = 67514010240. Its totient is φ = 54855131760.

The previous prime is 61114243781. The next prime is 61114243829. The reversal of 61114243817 is 71834241116.

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

It is not a de Polignac number, because 61114243817 - 218 = 61113981673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61114242817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35162678 + ... + 35164415.

It is an arithmetic number, because the mean of its divisors is an integer number (8439251280).

Almost surely, 261114243817 is an apocalyptic number.

It is an amenable number.

61114243817 is a deficient number, since it is larger than the sum of its proper divisors (6399766423).

61114243817 is a wasteful number, since it uses less digits than its factorization.

61114243817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70327183.

The product of its digits is 32256, while the sum is 38.

The spelling of 61114243817 in words is "sixty-one billion, one hundred fourteen million, two hundred forty-three thousand, eight hundred seventeen".

Divisors: 1 11 79 869 70327093 773598023 5555840347 61114243817