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2109814038 = 232117211891
BaseRepresentation
bin111110111000001…
…0011010100010110
312110000222122202200
41331300103110112
513310103022123
6545204345330
7103166060223
oct17560232426
95400878680
102109814038
11992a31572
124aa6a5246
13278145b97
141602c294a
15c5355143
hex7dc13516

2109814038 has 12 divisors (see below), whose sum is σ = 4571263788. Its totient is φ = 703271340.

The previous prime is 2109814033. The next prime is 2109814051. The reversal of 2109814038 is 8304189012.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2109813993 and 2109814011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109814033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58605928 + ... + 58605963.

It is an arithmetic number, because the mean of its divisors is an integer number (380938649).

Almost surely, 22109814038 is an apocalyptic number.

2109814038 is an abundant number, since it is smaller than the sum of its proper divisors (2461449750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2109814038 is a wasteful number, since it uses less digits than its factorization.

2109814038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117211899 (or 117211896 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 2109814038 is about 45932.7120688513. The cubic root of 2109814038 is about 1282.5709309515.

The spelling of 2109814038 in words is "two billion, one hundred nine million, eight hundred fourteen thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 117211891 234423782 351635673 703271346 1054907019 2109814038