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2162105193 = 34117578091
BaseRepresentation
bin1000000011011111…
…0001101101101001
312120200101022202010
42000313301231221
513411444331233
6554313230133
7104402406453
oct20067615551
95520338663
102162105193
11a0a4a76a6
12504102349
13285c240b1
141672152d3
15c9c33b63
hex80df1b69

2162105193 has 8 divisors (see below), whose sum is σ = 2953119456. Its totient is φ = 1406247200.

The previous prime is 2162105191. The next prime is 2162105201. The reversal of 2162105193 is 3915012612.

2162105193 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 2162105193 - 21 = 2162105191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2162105193.

It is not an unprimeable number, because it can be changed into a prime (2162105191) 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, 8788923 + ... + 8789168.

It is an arithmetic number, because the mean of its divisors is an integer number (369139932).

Almost surely, 22162105193 is an apocalyptic number.

It is an amenable number.

2162105193 is a deficient number, since it is larger than the sum of its proper divisors (791014263).

2162105193 is a wasteful number, since it uses less digits than its factorization.

2162105193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17578135.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 2162105193 is about 46498.4429094136. The cubic root of 2162105193 is about 1293.0806314407.

The spelling of 2162105193 in words is "two billion, one hundred sixty-two million, one hundred five thousand, one hundred ninety-three".