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13123310212 = 2294114832351
BaseRepresentation
bin11000011100011010…
…11101001010000100
31020212120211020021101
430032031131022010
5203334031411322
610010114025444
7643131203425
oct141615351204
936776736241
1013123310212
115624848221
122662b78284
131311ab751c
148c6ca764c
1551c1ad327
hex30e35d284

13123310212 has 24 divisors (see below), whose sum is σ = 23015486592. Its totient is φ = 6547476000.

The previous prime is 13123310141. The next prime is 13123310227. The reversal of 13123310212 is 21201332131.

It is a self number, because there is not a number n which added to its sum of digits gives 13123310212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5580837 + ... + 5583187.

It is an arithmetic number, because the mean of its divisors is an integer number (958978608).

Almost surely, 213123310212 is an apocalyptic number.

It is an amenable number.

13123310212 is a deficient number, since it is larger than the sum of its proper divisors (9892176380).

13123310212 is a wasteful number, since it uses less digits than its factorization.

13123310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779 (or 4777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13123310212 its reverse (21201332131), we get a palindrome (34324642343).

The spelling of 13123310212 in words is "thirteen billion, one hundred twenty-three million, three hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 941 1483 1882 2351 2966 3764 4702 5932 9404 1395503 2212291 2791006 3486533 4424582 5582012 6973066 8849164 13946132 3280827553 6561655106 13123310212