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2105252512 = 251110315801
BaseRepresentation
bin111110101111011…
…1001101010100000
312102201101220112021
41331132321222200
513302421040022
6544522511224
7103112231266
oct17536715240
95381356467
102105252512
119903a6410
124a9065514
1327720985c
1415d856436
15c4c537c7
hex7d7b9aa0

2105252512 has 48 divisors (see below), whose sum is σ = 4526673984. Its totient is φ = 955840000.

The previous prime is 2105252483. The next prime is 2105252519. The reversal of 2105252512 is 2152525012.

It is not an unprimeable number, because it can be changed into a prime (2105252519) 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, 360012 + ... + 365812.

It is an arithmetic number, because the mean of its divisors is an integer number (94305708).

Almost surely, 22105252512 is an apocalyptic number.

2105252512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2105252512 is an abundant number, since it is smaller than the sum of its proper divisors (2421421472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105252512 is a wasteful number, since it uses less digits than its factorization.

2105252512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2105252512 is about 45883.0307630174. The cubic root of 2105252512 is about 1281.6459359897.

Adding to 2105252512 its reverse (2152525012), we get a palindrome (4257777524).

The spelling of 2105252512 in words is "two billion, one hundred five million, two hundred fifty-two thousand, five hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 1031 2062 4124 5801 8248 11341 11602 16496 22682 23204 32992 45364 46408 63811 90728 92816 127622 181456 185632 255244 362912 510488 1020976 2041952 5980831 11961662 23923324 47846648 65789141 95693296 131578282 191386592 263156564 526313128 1052626256 2105252512