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13121030002 = 241920317387
BaseRepresentation
bin11000011100001001…
…10000011101110010
31020212102112101102011
430032010300131302
5203332440430002
610005553113134
7643102625533
oct141604603562
936772471364
1013121030002
115623530053
1226622587aa
1313114996a2
148c687268a
1551bdac8d7
hex30e130772

13121030002 has 16 divisors (see below), whose sum is σ = 20164933152. Its totient is φ = 6399438880.

The previous prime is 13121029993. The next prime is 13121030003. The reversal of 13121030002 is 20003012131.

It is a super-2 number, since 2×131210300022 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121030003) 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, 745953 + ... + 763339.

It is an arithmetic number, because the mean of its divisors is an integer number (1260308322).

Almost surely, 213121030002 is an apocalyptic number.

13121030002 is a deficient number, since it is larger than the sum of its proper divisors (7043903150).

13121030002 is a wasteful number, since it uses less digits than its factorization.

13121030002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26633.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13121030002 its reverse (20003012131), we get a palindrome (33124042133).

The spelling of 13121030002 in words is "thirteen billion, one hundred twenty-one million, thirty thousand, two".

Divisors: 1 2 41 82 9203 17387 18406 34774 377323 712867 754646 1425734 160012561 320025122 6560515001 13121030002