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105230400001 = 114679176803
BaseRepresentation
bin110001000000000111…
…0000111101000000001
3101001121200120012012021
41202000032013220001
53211002440300001
6120201524401441
710413464433046
oct1420016075001
9331550505167
10105230400001
114069a8aa031
1218489546281
139c0030a69c
1451439791cd
152b0d502ba1
hex1880387a01

105230400001 has 4 divisors (see below), whose sum is σ = 105239588272. Its totient is φ = 105221211732.

The previous prime is 105230399977. The next prime is 105230400019. The reversal of 105230400001 is 100004032501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100004032501 = 308332437247.

It is a cyclic number.

It is not a de Polignac number, because 105230400001 - 27 = 105230399873 is a prime.

It is a super-2 number, since 2×1052304000012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105230400031) 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, 4576935 + ... + 4599868.

It is an arithmetic number, because the mean of its divisors is an integer number (26309897068).

Almost surely, 2105230400001 is an apocalyptic number.

It is an amenable number.

105230400001 is a deficient number, since it is larger than the sum of its proper divisors (9188271).

105230400001 is an equidigital number, since it uses as much as digits as its factorization.

105230400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188270.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 105230400001 its reverse (100004032501), we get a palindrome (205234432502).

The spelling of 105230400001 in words is "one hundred five billion, two hundred thirty million, four hundred thousand, one".

Divisors: 1 11467 9176803 105230400001