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101424400013 = 129778199229
BaseRepresentation
bin101111001110101011…
…1011000011010001101
3100200210102220100201202
41132131113120122031
53130204121300023
6114332124515245
710220251114136
oct1363527303215
9320712810652
10101424400013
113a01747a9a2
12177a69abb25
1397449522a1
144ca22c4c8d
1529892ee128
hex179d5d868d

101424400013 has 4 divisors (see below), whose sum is σ = 101502600540. Its totient is φ = 101346199488.

The previous prime is 101424399971. The next prime is 101424400027. The reversal of 101424400013 is 310004424101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310004424101 = 674626931703.

It can be written as a sum of positive squares in 2 ways, for example, as 97052810089 + 4371589924 = 311533^2 + 66118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101424400013 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 (101424430013) 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, 39098318 + ... + 39100911.

It is an arithmetic number, because the mean of its divisors is an integer number (25375650135).

Almost surely, 2101424400013 is an apocalyptic number.

It is an amenable number.

101424400013 is a deficient number, since it is larger than the sum of its proper divisors (78200527).

101424400013 is an equidigital number, since it uses as much as digits as its factorization.

101424400013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78200526.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101424400013 its reverse (310004424101), we get a palindrome (411428824114).

The spelling of 101424400013 in words is "one hundred one billion, four hundred twenty-four million, four hundred thousand, thirteen".

Divisors: 1 1297 78199229 101424400013