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13120121222313 = 37745709837817
BaseRepresentation
bin1011111011101100010000…
…1010100011010010101001
31201110021022210202212112020
42332323010022203102221
53204430002013103223
643523144523135053
72522616556215540
oct276730412432251
951407283685466
1013120121222313
1141a9237430a46
12157a926074489
137422b7006b61
143350354c5157
1517b4400d51e3
hexbeec42a34a9

13120121222313 has 16 divisors (see below), whose sum is σ = 19992616344960. Its totient is φ = 7497193124736.

The previous prime is 13120121222279. The next prime is 13120121222339. The reversal of 13120121222313 is 31322212102131.

13120121222313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13120121222313 - 210 = 13120121221289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13120121422313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15240981 + ... + 16078797.

It is an arithmetic number, because the mean of its divisors is an integer number (1249538521560).

Almost surely, 213120121222313 is an apocalyptic number.

It is an amenable number.

13120121222313 is a deficient number, since it is larger than the sum of its proper divisors (6872495122647).

13120121222313 is an equidigital number, since it uses as much as digits as its factorization.

13120121222313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583536.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13120121222313 its reverse (31322212102131), we get a palindrome (44442333324444).

The spelling of 13120121222313 in words is "thirteen trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, three hundred thirteen".

Divisors: 1 3 7 21 745709 837817 2237127 2513451 5219963 5864719 15659889 17594157 624767677253 1874303031759 4373373740771 13120121222313