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12520110010 = 258273151337
BaseRepresentation
bin10111010100100000…
…11011011110111010
31012022112210111011011
423222100123132322
5201120122010020
65430205224134
7622155115312
oct135220333672
935275714134
1012520110010
115345303a61
122514b6204a
131246b3b125
1486ab2a442
154d425c35a
hex2ea41b7ba

12520110010 has 16 divisors (see below), whose sum is σ = 22539071016. Its totient is φ = 5007405568.

The previous prime is 12520109963. The next prime is 12520110041. The reversal of 12520110010 is 1001102521.

It can be written as a sum of positive squares in 4 ways, for example, as 12481134961 + 38975049 = 111719^2 + 6243^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062 + ... + 158398.

Almost surely, 212520110010 is an apocalyptic number.

12520110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12520110010 is a deficient number, since it is larger than the sum of its proper divisors (10018961006).

12520110010 is a wasteful number, since it uses less digits than its factorization.

12520110010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159617.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 12520110010 its reverse (1001102521), we get a palindrome (13521212531).

The spelling of 12520110010 in words is "twelve billion, five hundred twenty million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 8273 16546 41365 82730 151337 302674 756685 1513370 1252011001 2504022002 6260055005 12520110010