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2949240863 = 12723222369
BaseRepresentation
bin1010111111001001…
…1101100000011111
321121112111221220002
42233302131200133
522020001201423
61204352244515
7133041063602
oct25762354037
97545457802
102949240863
111283851348
126a384073b
1338002174a
141dd992339
15123db9228
hexafc9d81f

2949240863 has 4 divisors (see below), whose sum is σ = 2972463360. Its totient is φ = 2926018368.

The previous prime is 2949240821. The next prime is 2949240923. The reversal of 2949240863 is 3680429492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2949240863 - 26 = 2949240799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949240263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11611058 + ... + 11611311.

It is an arithmetic number, because the mean of its divisors is an integer number (743115840).

Almost surely, 22949240863 is an apocalyptic number.

2949240863 is a deficient number, since it is larger than the sum of its proper divisors (23222497).

2949240863 is a wasteful number, since it uses less digits than its factorization.

2949240863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23222496.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 2949240863 is about 54306.9135838155. The cubic root of 2949240863 is about 1434.0691090539.

The spelling of 2949240863 in words is "two billion, nine hundred forty-nine million, two hundred forty thousand, eight hundred sixty-three".

Divisors: 1 127 23222369 2949240863