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2102112023 = 115319918119
BaseRepresentation
bin111110101001011…
…1010111100010111
312102111111100120212
41331102322330113
513301120041043
6544331320035
7103043441324
oct17522727427
95374440525
102102112023
11989650970
124a7bb001b
1327667a28b
1415d279b4b
15c4833018
hex7d4baf17

2102112023 has 16 divisors (see below), whose sum is σ = 2348352000. Its totient is φ = 1865429280.

The previous prime is 2102112017. The next prime is 2102112037. The reversal of 2102112023 is 3202112012.

It is a happy number.

It is not a de Polignac number, because 2102112023 - 24 = 2102112007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102111989 and 2102112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102112013) 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, 106958 + ... + 125076.

It is an arithmetic number, because the mean of its divisors is an integer number (146772000).

Almost surely, 22102112023 is an apocalyptic number.

2102112023 is a deficient number, since it is larger than the sum of its proper divisors (246239977).

2102112023 is a wasteful number, since it uses less digits than its factorization.

2102112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2102112023 is about 45848.7952186314. The cubic root of 2102112023 is about 1281.0083247426.

Adding to 2102112023 its reverse (3202112012), we get a palindrome (5304224035).

The spelling of 2102112023 in words is "two billion, one hundred two million, one hundred twelve thousand, twenty-three".

Divisors: 1 11 53 199 583 2189 10547 18119 116017 199309 960307 3605681 10563377 39662491 191101093 2102112023