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13102012215 = 3252312658949
BaseRepresentation
bin11000011001111000…
…01101011100110111
31020211002202011220200
430030330031130313
5203313103342330
610004033331543
7642452160225
oct141474153467
936732664820
1013102012215
115613820776
122657a06bb3
13130a56b366
148c4121b15
1551a3a2a60
hex30cf0d737

13102012215 has 24 divisors (see below), whose sum is σ = 23697554400. Its totient is φ = 6683924544.

The previous prime is 13102012211. The next prime is 13102012241. The reversal of 13102012215 is 51221020131.

It is not a de Polignac number, because 13102012215 - 22 = 13102012211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102012211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6328440 + ... + 6330509.

It is an arithmetic number, because the mean of its divisors is an integer number (987398100).

Almost surely, 213102012215 is an apocalyptic number.

13102012215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13102012215 is a deficient number, since it is larger than the sum of its proper divisors (10595542185).

13102012215 is a wasteful number, since it uses less digits than its factorization.

13102012215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658983 (or 12658980 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 13102012215 its reverse (51221020131), we get a palindrome (64323032346).

The spelling of 13102012215 in words is "thirteen billion, one hundred two million, twelve thousand, two hundred fifteen".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 12658949 37976847 63294745 113930541 189884235 291155827 569652705 873467481 1455779135 2620402443 4367337405 13102012215