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2193654055 = 5438730811
BaseRepresentation
bin1000001011000000…
…1000000100100111
312122212202011122111
42002300020010213
513443033412210
61001401341451
7105234515605
oct20260100447
95585664574
102193654055
11a2629583a
12512797887
1328c61c068
1416b4a8875
15cc8b688a
hex82c08127

2193654055 has 4 divisors (see below), whose sum is σ = 2632384872. Its totient is φ = 1754923240.

The previous prime is 2193654031. The next prime is 2193654107. The reversal of 2193654055 is 5504563912.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2193654055 - 213 = 2193645863 is a prime.

It is a super-2 number, since 2×21936540552 = 9624236226035886050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2193653999 and 2193654017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219365401 + ... + 219365410.

It is an arithmetic number, because the mean of its divisors is an integer number (658096218).

Almost surely, 22193654055 is an apocalyptic number.

2193654055 is a deficient number, since it is larger than the sum of its proper divisors (438730817).

2193654055 is an equidigital number, since it uses as much as digits as its factorization.

2193654055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438730816.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 2193654055 is about 46836.4607437411. The cubic root of 2193654055 is about 1299.3397149863.

The spelling of 2193654055 in words is "two billion, one hundred ninety-three million, six hundred fifty-four thousand, fifty-five".

Divisors: 1 5 438730811 2193654055