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2149899293 = 4637736007
BaseRepresentation
bin1000000000100100…
…1101110000011101
312112211102012101202
42000021031300131
513400333234133
6553155445245
7104163561653
oct20011156035
95484365352
102149899293
11a03620183
124bbbb6825
1328353c479
14165758dd3
15c8b222e8
hex8024dc1d

2149899293 has 8 divisors (see below), whose sum is σ = 2157689088. Its totient is φ = 2142123984.

The previous prime is 2149899281. The next prime is 2149899313. The reversal of 2149899293 is 3929989412.

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

It is a cyclic number.

It is not a de Polignac number, because 2149899293 - 210 = 2149898269 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 (2149899233) 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, 354896 + ... + 360902.

It is an arithmetic number, because the mean of its divisors is an integer number (269711136).

Almost surely, 22149899293 is an apocalyptic number.

It is an amenable number.

2149899293 is a deficient number, since it is larger than the sum of its proper divisors (7789795).

2149899293 is an equidigital number, since it uses as much as digits as its factorization.

2149899293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243.

The product of its digits is 2519424, while the sum is 56.

The square root of 2149899293 is about 46367.0065132525. The cubic root of 2149899293 is about 1290.6427286095.

The spelling of 2149899293 in words is "two billion, one hundred forty-nine million, eight hundred ninety-nine thousand, two hundred ninety-three".

Divisors: 1 463 773 6007 357899 2781241 4643411 2149899293