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121241334001313 = 991122342415743
BaseRepresentation
bin11011100100010010110010…
…101001010010111010100001
3120220021120002000200222012102
4123210102302221102322201
5111342404223001020223
61105505255552340145
734352253165123521
oct3344226251227241
9526246060628172
10121241334001313
11356a418531a269
1211721471544655
135286016278206
1421d217cdb7681
15e03b72ed2928
hex6e44b2a52ea1

121241334001313 has 4 divisors (see below), whose sum is σ = 121363676418048. Its totient is φ = 121118991584580.

The previous prime is 121241334001303. The next prime is 121241334001321. The reversal of 121241334001313 is 313100433142121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121241334001313 - 214 = 121241333984929 is a prime.

It is a super-4 number, since 4×1212413340013134 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121241334001303) 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, 61171206881 + ... + 61171208862.

It is an arithmetic number, because the mean of its divisors is an integer number (30340919104512).

Almost surely, 2121241334001313 is an apocalyptic number.

It is an amenable number.

121241334001313 is a deficient number, since it is larger than the sum of its proper divisors (122342416735).

121241334001313 is an equidigital number, since it uses as much as digits as its factorization.

121241334001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122342416734.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 121241334001313 its reverse (313100433142121), we get a palindrome (434341767143434).

The spelling of 121241334001313 in words is "one hundred twenty-one trillion, two hundred forty-one billion, three hundred thirty-four million, one thousand, three hundred thirteen".

Divisors: 1 991 122342415743 121241334001313