Search a number
-
+
20122010041 = 72874572863
BaseRepresentation
bin10010101111010111…
…011000000110111001
31220221100010000120011
4102233113120012321
5312202213310131
613124404301521
71311433156210
oct225727300671
956840100504
1020122010041
118596393a71
123a969a18a1
131b88a56723
14d8c5a6077
157cb81c0b1
hex4af5d81b9

20122010041 has 4 divisors (see below), whose sum is σ = 22996582912. Its totient is φ = 17247437172.

The previous prime is 20122010011. The next prime is 20122010057. The reversal of 20122010041 is 14001022102.

It is a happy number.

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 not a de Polignac number, because 20122010041 - 25 = 20122010009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122010011) 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, 1437286425 + ... + 1437286438.

It is an arithmetic number, because the mean of its divisors is an integer number (5749145728).

Almost surely, 220122010041 is an apocalyptic number.

It is an amenable number.

20122010041 is a deficient number, since it is larger than the sum of its proper divisors (2874572871).

20122010041 is an equidigital number, since it uses as much as digits as its factorization.

20122010041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874572870.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20122010041 its reverse (14001022102), we get a palindrome (34123032143).

The spelling of 20122010041 in words is "twenty billion, one hundred twenty-two million, ten thousand, forty-one".

Divisors: 1 7 2874572863 20122010041