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12903068038 = 27921647717
BaseRepresentation
bin11000000010001010…
…10011000110000110
31020022020101202210211
430001011103012012
5202411141134123
65532205310034
7634515161110
oct140105230606
936266352724
1012903068038
115521499aa3
12260126531a
1312a8293803
148a59363b0
15507ba640d
hex301153186

12903068038 has 8 divisors (see below), whose sum is σ = 22119545232. Its totient is φ = 5529886296.

The previous prime is 12903067981. The next prime is 12903068069. The reversal of 12903068038 is 83086030921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460823845 + ... + 460823872.

It is an arithmetic number, because the mean of its divisors is an integer number (2764943154).

Almost surely, 212903068038 is an apocalyptic number.

12903068038 is a deficient number, since it is larger than the sum of its proper divisors (9216477194).

12903068038 is an equidigital number, since it uses as much as digits as its factorization.

12903068038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921647726.

The product of its (nonzero) digits is 62208, while the sum is 40.

Adding to 12903068038 its reverse (83086030921), we get a palindrome (95989098959).

The spelling of 12903068038 in words is "twelve billion, nine hundred three million, sixty-eight thousand, thirty-eight".

Divisors: 1 2 7 14 921647717 1843295434 6451534019 12903068038