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2189874059 = 61918611901
BaseRepresentation
bin1000001010000110…
…1101001110001011
312122121122010110122
42002201231032023
513441101432214
61001144333455
7105160423322
oct20241551613
95577563418
102189874059
11a2414387a
1251147428b
1328b8c7689
1416aba30b9
15cc3bb88e
hex8286d38b

2189874059 has 8 divisors (see below), whose sum is σ = 2195744880. Its totient is φ = 2184012000.

The previous prime is 2189874053. The next prime is 2189874061. The reversal of 2189874059 is 9504789812.

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 2189874059 - 224 = 2173096843 is a prime.

It is a super-2 number, since 2×21898740592 = 9591096788562270962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189874059.

It is not an unprimeable number, because it can be changed into a prime (2189874053) 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, 1151009 + ... + 1152909.

It is an arithmetic number, because the mean of its divisors is an integer number (274468110).

Almost surely, 22189874059 is an apocalyptic number.

2189874059 is a deficient number, since it is larger than the sum of its proper divisors (5870821).

2189874059 is a wasteful number, since it uses less digits than its factorization.

2189874059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The square root of 2189874059 is about 46796.0902106148. The cubic root of 2189874059 is about 1298.5929666249.

The spelling of 2189874059 in words is "two billion, one hundred eighty-nine million, eight hundred seventy-four thousand, fifty-nine".

Divisors: 1 619 1861 1901 1151959 1176719 3537761 2189874059