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13440031210 = 251344003121
BaseRepresentation
bin11001000010001011…
…01001100111101010
31021200122210022210201
430201011221213222
5210011121444320
610101350302414
7654025244314
oct144105514752
937618708721
1013440031210
115777602411
122731057a0a
1313625bb0b8
14916d907b4
15539dc170a
hex3211699ea

13440031210 has 8 divisors (see below), whose sum is σ = 24192056196. Its totient is φ = 5376012480.

The previous prime is 13440031193. The next prime is 13440031223. The reversal of 13440031210 is 1213004431.

It can be written as a sum of positive squares in 2 ways, for example, as 10899568801 + 2540462409 = 104401^2 + 50403^2 .

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

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, 672001551 + ... + 672001570.

Almost surely, 213440031210 is an apocalyptic number.

13440031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440031210 is a deficient number, since it is larger than the sum of its proper divisors (10752024986).

13440031210 is a wasteful number, since it uses less digits than its factorization.

13440031210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344003128.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13440031210 its reverse (1213004431), we get a palindrome (14653035641).

The spelling of 13440031210 in words is "thirteen billion, four hundred forty million, thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 1344003121 2688006242 6720015605 13440031210