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2102552012 = 22111091992203
BaseRepresentation
bin111110101010010…
…0110010111001100
312102112022201010202
41331110212113030
513301223131022
6544344553032
7103050253151
oct17524462714
95375281122
102102552012
119899214a0
124a8182778
132767a2622
1415d352228
15c48bd592
hex7d5265cc

2102552012 has 48 divisors (see below), whose sum is σ = 4072992000. Its totient is φ = 941751360.

The previous prime is 2102551999. The next prime is 2102552063.

It is a happy number.

2102552012 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953303 + ... + 955505.

It is an arithmetic number, because the mean of its divisors is an integer number (84854000).

Almost surely, 22102552012 is an apocalyptic number.

2102552012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2102552012 is a deficient number, since it is larger than the sum of its proper divisors (1970439988).

2102552012 is a wasteful number, since it uses less digits than its factorization.

2102552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2524 counting only the distinct ones).

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

The square root of 2102552012 is about 45853.5932288845. The cubic root of 2102552012 is about 1281.0976936322.

It can be divided in two parts, 21025 and 52012, that added together give a palindrome (73037).

The spelling of 2102552012 in words is "two billion, one hundred two million, five hundred fifty-two thousand, twelve".

Divisors: 1 2 4 11 22 44 109 199 218 398 436 796 1199 2189 2203 2398 4378 4406 4796 8756 8812 21691 24233 43382 48466 86764 96932 238601 240127 438397 477202 480254 876794 954404 960508 1753588 2641397 4822367 5282794 9644734 10565588 19289468 47785273 95570546 191141092 525638003 1051276006 2102552012