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2992415091 = 3997471697
BaseRepresentation
bin1011001001011100…
…1010000101110011
321201112202102210120
42302113022011303
522112024240331
61212533501323
7134104052151
oct26227120563
97645672716
102992415091
1112a615a826
126b61a1843
13388c5a023
142055d03d1
15127a96796
hexb25ca173

2992415091 has 4 divisors (see below), whose sum is σ = 3989886792. Its totient is φ = 1994943392.

The previous prime is 2992415087. The next prime is 2992415093. The reversal of 2992415091 is 1905142992.

2992415091 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 2992415091 - 22 = 2992415087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2992415093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498735846 + ... + 498735851.

It is an arithmetic number, because the mean of its divisors is an integer number (997471698).

Almost surely, 22992415091 is an apocalyptic number.

2992415091 is a deficient number, since it is larger than the sum of its proper divisors (997471701).

2992415091 is an equidigital number, since it uses as much as digits as its factorization.

2992415091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997471700.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 2992415091 is about 54702.9715006415. The cubic root of 2992415091 is about 1441.0330631927.

The spelling of 2992415091 in words is "two billion, nine hundred ninety-two million, four hundred fifteen thousand, ninety-one".

Divisors: 1 3 997471697 2992415091