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10121442013 = 191123742839
BaseRepresentation
bin10010110110100100…
…01111001011011101
3222010101021112020201
421123102033023131
5131212042121023
64352201343501
7505550560204
oct113322171335
928111245221
1010121442013
114324321211
121b65797b91
13c53bca857
146c033623b
153e389abad
hex25b48f2dd

10121442013 has 8 divisors (see below), whose sum is σ = 10182896640. Its totient is φ = 10060075920.

The previous prime is 10121441977. The next prime is 10121442017. The reversal of 10121442013 is 31024412101.

10121442013 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10121442013 - 213 = 10121433821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121442017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214848 + ... + 257686.

It is an arithmetic number, because the mean of its divisors is an integer number (1272862080).

Almost surely, 210121442013 is an apocalyptic number.

It is an amenable number.

10121442013 is a deficient number, since it is larger than the sum of its proper divisors (61454627).

10121442013 is a wasteful number, since it uses less digits than its factorization.

10121442013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44267.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10121442013 its reverse (31024412101), we get a palindrome (41145854114).

The spelling of 10121442013 in words is "ten billion, one hundred twenty-one million, four hundred forty-two thousand, thirteen".

Divisors: 1 191 1237 42839 236267 8182249 52991843 10121442013