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2216640023 = 139710916127
BaseRepresentation
bin1000010000011111…
…0011111000010111
312201110222222110122
42010013303320113
514014424440043
61003542142155
7105634062233
oct20407637027
95643888418
102216640023
11a38265504
1251a42195b
13294309620
1417056d5c3
15ce907368
hex841f3e17

2216640023 has 16 divisors (see below), whose sum is σ = 2434037760. Its totient is φ = 2006332416.

The previous prime is 2216640011. The next prime is 2216640029. The reversal of 2216640023 is 3200466122.

2216640023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2216640023 - 210 = 2216638999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2216639974 and 2216640001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216640029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129386 + ... + 145512.

It is an arithmetic number, because the mean of its divisors is an integer number (152127360).

Almost surely, 22216640023 is an apocalyptic number.

2216640023 is a deficient number, since it is larger than the sum of its proper divisors (217397737).

2216640023 is a wasteful number, since it uses less digits than its factorization.

2216640023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16346.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2216640023 is about 47081.2066858954. The cubic root of 2216640023 is about 1303.8622856232.

The spelling of 2216640023 in words is "two billion, two hundred sixteen million, six hundred forty thousand, twenty-three".

Divisors: 1 13 97 109 1261 1417 10573 16127 137449 209651 1564319 1757843 20336147 22851959 170510771 2216640023