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13101112001 = 31249419249
BaseRepresentation
bin11000011001110001…
…10001101011000001
31020211001001110001102
430030320301223001
5203312341041001
610004002144145
7642441420545
oct141470615301
936731043042
1013101112001
11561326639a
122657652055
13130a3146a3
148c3d69a25
1551a275e6b
hex30ce31ac1

13101112001 has 4 divisors (see below), whose sum is σ = 13101562500. Its totient is φ = 13100661504.

The previous prime is 13101111979. The next prime is 13101112021. The reversal of 13101112001 is 10021110131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7280184976 + 5820927025 = 85324^2 + 76295^2 .

It is a cyclic number.

It is not a de Polignac number, because 13101112001 - 214 = 13101095617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13101112021) 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, 178376 + ... + 240873.

It is an arithmetic number, because the mean of its divisors is an integer number (3275390625).

Almost surely, 213101112001 is an apocalyptic number.

It is an amenable number.

13101112001 is a deficient number, since it is larger than the sum of its proper divisors (450499).

13101112001 is an equidigital number, since it uses as much as digits as its factorization.

13101112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450498.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 13101112001 its reverse (10021110131), we get a palindrome (23122222132).

The spelling of 13101112001 in words is "thirteen billion, one hundred one million, one hundred twelve thousand, one".

Divisors: 1 31249 419249 13101112001