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103420110001 = 137955393077
BaseRepresentation
bin110000001010001010…
…0011010010010110001
3100212221112011221011111
41200110110122102301
53143301022010001
6115302135513321
710320563300455
oct1402424322261
9325845157144
10103420110001
113a950a5739a
1218063228841
1399a2256a80
145011384665
152a54615851
hex181451a4b1

103420110001 has 4 divisors (see below), whose sum is σ = 111375503092. Its totient is φ = 95464716912.

The previous prime is 103420109971. The next prime is 103420110007. The reversal of 103420110001 is 100011024301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100011024301 = 367272509603.

It can be written as a sum of positive squares in 2 ways, for example, as 26544229776 + 76875880225 = 162924^2 + 277265^2 .

It is a cyclic number.

It is not a de Polignac number, because 103420110001 - 27 = 103420109873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7955393077 = 103420110001 / (1 + 0 + 3 + 4 + 2 + 0 + 1 + 1 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103420110007) 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, 3977696526 + ... + 3977696551.

It is an arithmetic number, because the mean of its divisors is an integer number (27843875773).

Almost surely, 2103420110001 is an apocalyptic number.

It is an amenable number.

103420110001 is a deficient number, since it is larger than the sum of its proper divisors (7955393091).

103420110001 is an equidigital number, since it uses as much as digits as its factorization.

103420110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955393090.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 103420110001 its reverse (100011024301), we get a palindrome (203431134302).

The spelling of 103420110001 in words is "one hundred three billion, four hundred twenty million, one hundred ten thousand, one".

Divisors: 1 13 7955393077 103420110001