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20401010041 = 132715373783
BaseRepresentation
bin10010111111111111…
…101011010101111001
31221122210002200121111
4102333333223111321
5313240124310131
613212212240321
71321361503246
oct227777532571
957583080544
1020401010041
118719924885
123b543100a1
131c017b0b99
14db76705cd
157e607dab1
hex4bffeb579

20401010041 has 4 divisors (see below), whose sum is σ = 20416385152. Its totient is φ = 20385634932.

The previous prime is 20401010009. The next prime is 20401010059. The reversal of 20401010041 is 14001010402.

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 20401010041 - 25 = 20401010009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20404010041) 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, 7685565 + ... + 7688218.

It is an arithmetic number, because the mean of its divisors is an integer number (5104096288).

Almost surely, 220401010041 is an apocalyptic number.

It is an amenable number.

20401010041 is a deficient number, since it is larger than the sum of its proper divisors (15375111).

20401010041 is a wasteful number, since it uses less digits than its factorization.

20401010041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15375110.

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

Adding to 20401010041 its reverse (14001010402), we get a palindrome (34402020443).

The spelling of 20401010041 in words is "twenty billion, four hundred one million, ten thousand, forty-one".

Divisors: 1 1327 15373783 20401010041