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2048979169 = 17911446811
BaseRepresentation
bin111101000100000…
…1111000011100001
312021210111221000101
41322020033003201
513144014313134
6535152422401
7101530015126
oct17210170341
95253457011
102048979169
11961660416
12492247a01
13268665c13
141561a874d
15bed39e14
hex7a20f0e1

2048979169 has 4 divisors (see below), whose sum is σ = 2060426160. Its totient is φ = 2037532180.

The previous prime is 2048979139. The next prime is 2048979263. The reversal of 2048979169 is 9619798402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2048979169 - 27 = 2048979041 is a prime.

It is a super-2 number, since 2×20489791692 = 8396631269991861122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048979109) 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, 5723227 + ... + 5723584.

It is an arithmetic number, because the mean of its divisors is an integer number (515106540).

Almost surely, 22048979169 is an apocalyptic number.

It is an amenable number.

2048979169 is a deficient number, since it is larger than the sum of its proper divisors (11446991).

2048979169 is a wasteful number, since it uses less digits than its factorization.

2048979169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446990.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 2048979169 is about 45265.6510944005. The cubic root of 2048979169 is about 1270.1231965553.

The spelling of 2048979169 in words is "two billion, forty-eight million, nine hundred seventy-nine thousand, one hundred sixty-nine".

Divisors: 1 179 11446811 2048979169