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13212113003 = 53249285151
BaseRepresentation
bin11000100111000000…
…01101100001101011
31021002202220212210122
430103200031201223
5204024300104003
610023005233455
7645260051615
oct142340154153
937082825718
1013212113003
11566a991061
12268886288b
13132730a55b
148d49c1db5
15524da0238
hex31380d86b

13212113003 has 4 divisors (see below), whose sum is σ = 13461398208. Its totient is φ = 12962827800.

The previous prime is 13212112993. The next prime is 13212113009. The reversal of 13212113003 is 30031121231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30031121231 = 171766536543.

It is a cyclic number.

It is not a de Polignac number, because 13212113003 - 28 = 13212112747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13212113009) 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, 124642523 + ... + 124642628.

It is an arithmetic number, because the mean of its divisors is an integer number (3365349552).

Almost surely, 213212113003 is an apocalyptic number.

13212113003 is a deficient number, since it is larger than the sum of its proper divisors (249285205).

13212113003 is an equidigital number, since it uses as much as digits as its factorization.

13212113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249285204.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13212113003 its reverse (30031121231), we get a palindrome (43243234234).

The spelling of 13212113003 in words is "thirteen billion, two hundred twelve million, one hundred thirteen thousand, three".

Divisors: 1 53 249285151 13212113003