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10102012121210 = 251759423600713
BaseRepresentation
bin1001001100000000111011…
…0110000001000001111010
31022202202001121000221110212
42103000032312001001322
52311002410100334320
633252444510511122
72061563164150352
oct223001666010172
938682047027425
1010102012121210
11324526a535609
121171a075054a2
13583800797519
1426cd234c1b62
15127b9ab369c5
hex9300ed8107a

10102012121210 has 16 divisors (see below), whose sum is σ = 19253246631336. Its totient is φ = 3803110445568.

The previous prime is 10102012121209. The next prime is 10102012121213. The reversal of 10102012121210 is 1212121020101.

It can be written as a sum of positive squares in 4 ways, for example, as 8587461010969 + 1514551110241 = 2930437^2 + 1230671^2 .

It is not an unprimeable number, because it can be changed into a prime (10102012121213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29711800187 + ... + 29711800526.

Almost surely, 210102012121210 is an apocalyptic number.

10102012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10102012121210 is a deficient number, since it is larger than the sum of its proper divisors (9151234510126).

10102012121210 is a wasteful number, since it uses less digits than its factorization.

10102012121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59423600737.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10102012121210 its reverse (1212121020101), we get a palindrome (11314133141311).

The spelling of 10102012121210 in words is "ten trillion, one hundred two billion, twelve million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 59423600713 118847201426 297118003565 594236007130 1010201212121 2020402424242 5051006060605 10102012121210