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2105225012 = 2211101473723
BaseRepresentation
bin111110101111011…
…0010111100110100
312102201100111210202
41331132302330310
513302414200022
6544522140032
7103112055152
oct17536627464
95381314722
102105225012
11990387790
124a9051618
132771ca197
1415d84a3d2
15c4c4a592
hex7d7b2f34

2105225012 has 24 divisors (see below), whose sum is σ = 4058867232. Its totient is φ = 947444000.

The previous prime is 2105224981. The next prime is 2105225021.

It is a happy number.

2105225012 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232418 + ... + 241305.

It is an arithmetic number, because the mean of its divisors is an integer number (169119468).

Almost surely, 22105225012 is an apocalyptic number.

2105225012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2105225012 is a deficient number, since it is larger than the sum of its proper divisors (1953642220).

2105225012 is a wasteful number, since it uses less digits than its factorization.

2105225012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473839 (or 473837 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2105225012 is about 45882.7310869787. The cubic root of 2105225012 is about 1281.6403554372.

It can be divided in two parts, 21052 and 25012, that added together give a palindrome (46064).

The spelling of 2105225012 in words is "two billion, one hundred five million, two hundred twenty-five thousand, twelve".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 473723 947446 1894892 5210953 10421906 20843812 47846023 95692046 191384092 526306253 1052612506 2105225012