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13002123229 = 97789132961
BaseRepresentation
bin11000001101111110…
…01010011111011101
31020120010210021222121
430012333022133131
5203112020420404
65550104342541
7640130136544
oct140677123735
936503707877
1013002123229
1155723a5697
12262a474a51
1312c2966254
148b4b5d15b
15511720e54
hex306fca7dd

13002123229 has 4 divisors (see below), whose sum is σ = 13002353980. Its totient is φ = 13001892480.

The previous prime is 13002123227. The next prime is 13002123241. The reversal of 13002123229 is 92232120031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92232120031 = 748912315679.

It can be written as a sum of positive squares in 2 ways, for example, as 6448411204 + 6553712025 = 80302^2 + 80955^2 .

It is a cyclic number.

It is not a de Polignac number, because 13002123229 - 21 = 13002123227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002123223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31309 + ... + 164269.

It is an arithmetic number, because the mean of its divisors is an integer number (3250588495).

Almost surely, 213002123229 is an apocalyptic number.

It is an amenable number.

13002123229 is a deficient number, since it is larger than the sum of its proper divisors (230751).

13002123229 is an equidigital number, since it uses as much as digits as its factorization.

13002123229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230750.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 13002123229 in words is "thirteen billion, two million, one hundred twenty-three thousand, two hundred twenty-nine".

Divisors: 1 97789 132961 13002123229