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2380943189 = 31157148889
BaseRepresentation
bin1000110111101010…
…0100111101010101
320010221011110001002
42031322210331111
514334010140224
61032131513045
7113000453222
oct21572447525
96127143032
102380943189
111011a86949
12565458785
132bc375931
141882dc949
15de05e9ae
hex8dea4f55

2380943189 has 8 divisors (see below), whose sum is σ = 2459362560. Its totient is φ = 2302624800.

The previous prime is 2380943167. The next prime is 2380943197. The reversal of 2380943189 is 9813490832.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2380943189 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 (2380943129) 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, 24257 + ... + 73145.

It is an arithmetic number, because the mean of its divisors is an integer number (307420320).

Almost surely, 22380943189 is an apocalyptic number.

It is an amenable number.

2380943189 is a deficient number, since it is larger than the sum of its proper divisors (78419371).

2380943189 is a wasteful number, since it uses less digits than its factorization.

2380943189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50491.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2380943189 is about 48794.9094578523. The cubic root of 2380943189 is about 1335.3127966658.

The spelling of 2380943189 in words is "two billion, three hundred eighty million, nine hundred forty-three thousand, one hundred eighty-nine".

Divisors: 1 31 1571 48701 48889 1515559 76804619 2380943189