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13012044241 = 76412899943
BaseRepresentation
bin11000001111001010…
…00000100111010001
31020120211110100001111
430013211000213101
5203122040403431
65551101133321
7640310360020
oct140745004721
936524410044
1013012044241
115577a61479
12263185a241
1312c4a2ab81
148b61c28b7
155125307b1
hex3079409d1

13012044241 has 8 divisors (see below), whose sum is σ = 14894112384. Its totient is φ = 11135777280.

The previous prime is 13012044229. The next prime is 13012044271. The reversal of 13012044241 is 14244021031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13012044241 - 25 = 13012044209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012044271) 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, 1445485 + ... + 1454458.

It is an arithmetic number, because the mean of its divisors is an integer number (1861764048).

Almost surely, 213012044241 is an apocalyptic number.

It is an amenable number.

13012044241 is a deficient number, since it is larger than the sum of its proper divisors (1882068143).

13012044241 is an equidigital number, since it uses as much as digits as its factorization.

13012044241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900591.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13012044241 its reverse (14244021031), we get a palindrome (27256065272).

The spelling of 13012044241 in words is "thirteen billion, twelve million, forty-four thousand, two hundred forty-one".

Divisors: 1 7 641 4487 2899943 20299601 1858863463 13012044241