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13012001403 = 39173472837
BaseRepresentation
bin11000001111001001…
…10110001001111011
31020120211101011021220
430013210312021323
5203122033021103
65551100203123
7640310121102
oct140744661173
936524334256
1013012001403
115577a32275
1226318394a3
1312c4a1451b
148b61b1039
15512522c53
hex30793627b

13012001403 has 8 divisors (see below), whose sum is σ = 17351263248. Its totient is φ = 8673703584.

The previous prime is 13012001377. The next prime is 13012001461. The reversal of 13012001403 is 30410021031.

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

It is not a de Polignac number, because 13012001403 - 26 = 13012001339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13012001003) 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, 208900 + ... + 263937.

It is an arithmetic number, because the mean of its divisors is an integer number (2168907906).

Almost surely, 213012001403 is an apocalyptic number.

13012001403 is a deficient number, since it is larger than the sum of its proper divisors (4339261845).

13012001403 is an equidigital number, since it uses as much as digits as its factorization.

13012001403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482013.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13012001403 its reverse (30410021031), we get a palindrome (43422022434).

The spelling of 13012001403 in words is "thirteen billion, twelve million, one thousand, four hundred three".

Divisors: 1 3 9173 27519 472837 1418511 4337333801 13012001403