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13120300210 = 251312030021
BaseRepresentation
bin11000011100000011…
…11110010010110010
31020212101011022022211
430032001332102302
5203332244101320
610005525322334
7643063466053
oct141601762262
936771138284
1013120300210
115623081816
122661b663aa
1313112a2464
148c672272a
1551bcb655a
hex30e07e4b2

13120300210 has 8 divisors (see below), whose sum is σ = 23616540396. Its totient is φ = 5248120080.

The previous prime is 13120300201. The next prime is 13120300301. The reversal of 13120300210 is 1200302131.

It can be written as a sum of positive squares in 2 ways, for example, as 12400826881 + 719473329 = 111359^2 + 26823^2 .

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, 656015001 + ... + 656015020.

Almost surely, 213120300210 is an apocalyptic number.

13120300210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13120300210 is a deficient number, since it is larger than the sum of its proper divisors (10496240186).

13120300210 is a wasteful number, since it uses less digits than its factorization.

13120300210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312030028.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13120300210 its reverse (1200302131), we get a palindrome (14320602341).

The spelling of 13120300210 in words is "thirteen billion, one hundred twenty million, three hundred thousand, two hundred ten".

Divisors: 1 2 5 10 1312030021 2624060042 6560150105 13120300210