Search a number
-
+
110030043421 = 911120779411
BaseRepresentation
bin110011001111001001…
…1010011100100011101
3101112000011221100012101
41212132103103210131
53300320142342141
6122314101405101
710643434636414
oct1463623234435
9345004840171
10110030043421
1142733100191
12193a8a09791
13a4b67b888c
14547b1a447b
152cdea7e531
hex199e4d391d

110030043421 has 4 divisors (see below), whose sum is σ = 110150823744. Its totient is φ = 109909263100.

The previous prime is 110030043419. The next prime is 110030043427. The reversal of 110030043421 is 124340030011.

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 110030043421 - 21 = 110030043419 is a prime.

It is a super-2 number, since 2×1100300434212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110030043427) 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, 60388795 + ... + 60390616.

It is an arithmetic number, because the mean of its divisors is an integer number (27537705936).

Almost surely, 2110030043421 is an apocalyptic number.

It is an amenable number.

110030043421 is a deficient number, since it is larger than the sum of its proper divisors (120780323).

110030043421 is an equidigital number, since it uses as much as digits as its factorization.

110030043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120780322.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 110030043421 its reverse (124340030011), we get a palindrome (234370073432).

The spelling of 110030043421 in words is "one hundred ten billion, thirty million, forty-three thousand, four hundred twenty-one".

Divisors: 1 911 120779411 110030043421