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2699942449 = 73107345659
BaseRepresentation
bin1010000011101101…
…1101101000110001
320222011102021202111
42200323131220301
521012141124244
61123525045321
7123623063221
oct24073355061
96864367674
102699942449
1111660577a6
12634256841
133404964a9
141b881a081
1510c072e34
hexa0edda31

2699942449 has 8 divisors (see below), whose sum is σ = 2762514720. Its totient is φ = 2638061856.

The previous prime is 2699942353. The next prime is 2699942459. The reversal of 2699942449 is 9442499962.

2699942449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2699942449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2699942393 and 2699942402.

It is not an unprimeable number, because it can be changed into a prime (2699942459) 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, 165019 + ... + 180640.

It is an arithmetic number, because the mean of its divisors is an integer number (345314340).

Almost surely, 22699942449 is an apocalyptic number.

It is an amenable number.

2699942449 is a deficient number, since it is larger than the sum of its proper divisors (62572271).

2699942449 is a wasteful number, since it uses less digits than its factorization.

2699942449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345839.

The product of its digits is 10077696, while the sum is 58.

The square root of 2699942449 is about 51960.9704393596. The cubic root of 2699942449 is about 1392.4667563810.

The spelling of 2699942449 in words is "two billion, six hundred ninety-nine million, nine hundred forty-two thousand, four hundred forty-nine".

Divisors: 1 73 107 7811 345659 25233107 36985513 2699942449