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2240117779 = 41379144161
BaseRepresentation
bin1000010110000101…
…0111110000010011
312210010011202220011
42011201113300103
514041432232104
61010141255351
7106340454424
oct20541276023
95703152804
102240117779
11a4a540709
12526264557
132991399a3
1417372164b
15d19e3904
hex85857c13

2240117779 has 8 divisors (see below), whose sum is σ = 2300825520. Its totient is φ = 2179699200.

The previous prime is 2240117777. The next prime is 2240117783. The reversal of 2240117779 is 9777110422.

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

It is a cyclic number.

It is not a de Polignac number, because 2240117779 - 21 = 2240117777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240117773) 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, 56542 + ... + 87619.

It is an arithmetic number, because the mean of its divisors is an integer number (287603190).

Almost surely, 22240117779 is an apocalyptic number.

2240117779 is a deficient number, since it is larger than the sum of its proper divisors (60707741).

2240117779 is a wasteful number, since it uses less digits than its factorization.

2240117779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144581.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 2240117779 is about 47329.8825162286. The cubic root of 2240117779 is about 1308.4494559901.

The spelling of 2240117779 in words is "two billion, two hundred forty million, one hundred seventeen thousand, seven hundred seventy-nine".

Divisors: 1 41 379 15539 144161 5910601 54637019 2240117779