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13023001211 = 111378641673
BaseRepresentation
bin11000010000011101…
…10011101001111011
31020121121002000012012
430020032303221323
5203132342014321
65552132040135
7640502453363
oct141016635173
936547060165
1013023001211
115583165620
12263546304b
1312c709619c
148b78359a3
1551349705b
hex3083b3a7b

13023001211 has 8 divisors (see below), whose sum is σ = 14310612144. Its totient is φ = 11752673920.

The previous prime is 13023001177. The next prime is 13023001241. The reversal of 13023001211 is 11210032031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13023001211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023001241) 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, 4319330 + ... + 4322343.

It is an arithmetic number, because the mean of its divisors is an integer number (1788826518).

Almost surely, 213023001211 is an apocalyptic number.

13023001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13023001211 is a deficient number, since it is larger than the sum of its proper divisors (1287610933).

13023001211 is a wasteful number, since it uses less digits than its factorization.

13023001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641821.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13023001211 its reverse (11210032031), we get a palindrome (24233033242).

The spelling of 13023001211 in words is "thirteen billion, twenty-three million, one thousand, two hundred eleven".

Divisors: 1 11 137 1507 8641673 95058403 1183909201 13023001211