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2038209149 = 2119659759
BaseRepresentation
bin111100101111100…
…1001101001111101
312021001020202022202
41321133021221331
513133240143044
6534125521245
7101336330504
oct17137115175
95231222282
102038209149
11956574779
1248a713225
13266364a22
141549a383b
15bde0dc4e
hex797c9a7d

2038209149 has 4 divisors (see below), whose sum is σ = 2047869120. Its totient is φ = 2028549180.

The previous prime is 2038209133. The next prime is 2038209161. The reversal of 2038209149 is 9419028302.

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 2038209149 - 24 = 2038209133 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 (2038209109) 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, 4829669 + ... + 4830090.

It is an arithmetic number, because the mean of its divisors is an integer number (511967280).

Almost surely, 22038209149 is an apocalyptic number.

It is an amenable number.

2038209149 is a deficient number, since it is larger than the sum of its proper divisors (9659971).

2038209149 is an equidigital number, since it uses as much as digits as its factorization.

2038209149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9659970.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 2038209149 is about 45146.5297558960. The cubic root of 2038209149 is about 1267.8939092393.

The spelling of 2038209149 in words is "two billion, thirty-eight million, two hundred nine thousand, one hundred forty-nine".

Divisors: 1 211 9659759 2038209149