Search a number
-
+
122030001101 = 158877681123
BaseRepresentation
bin111000110100110001…
…1100000101111001101
3102122222110222100111102
41301221203200233031
53444404140013401
6132020530232445
711550005615651
oct1615143405715
9378873870442
10122030001101
1147830832a88
121b797725725
13b679937058
145c98bb0a61
1532932e256b
hex1c698e0bcd

122030001101 has 4 divisors (see below), whose sum is σ = 122037698112. Its totient is φ = 122022304092.

The previous prime is 122030001073. The next prime is 122030001157. The reversal of 122030001101 is 101100030221.

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: 101100030221 = 697371449733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122030001101 is a prime.

It is a super-2 number, since 2×1220300011012 (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 (122030004101) 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 3 ways as a sum of consecutive naturals, for example, 3824675 + ... + 3856448.

It is an arithmetic number, because the mean of its divisors is an integer number (30509424528).

Almost surely, 2122030001101 is an apocalyptic number.

It is an amenable number.

122030001101 is a deficient number, since it is larger than the sum of its proper divisors (7697011).

122030001101 is an equidigital number, since it uses as much as digits as its factorization.

122030001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697010.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 122030001101 its reverse (101100030221), we get a palindrome (223130031322).

The spelling of 122030001101 in words is "one hundred twenty-two billion, thirty million, one thousand, one hundred one".

Divisors: 1 15887 7681123 122030001101