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10020331112021 = 13176491077191
BaseRepresentation
bin1001000111010000101001…
…0001101100011001010101
31022110221020002210202101022
42101310022101230121111
52303133114231041041
633151135423210525
72052642101060336
oct221641221543125
938427202722338
1010020331112021
11321366475743a
12115a010746a45
13578bb4305119
14268db53a628d
151259b9cb624b
hex91d0a46c655

10020331112021 has 4 divisors (see below), whose sum is σ = 10096822189344. Its totient is φ = 9943840034700.

The previous prime is 10020331111993. The next prime is 10020331112041. The reversal of 10020331112021 is 12021113302001.

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 10020331112021 - 210 = 10020331110997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020331112041) 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, 38245538465 + ... + 38245538726.

It is an arithmetic number, because the mean of its divisors is an integer number (2524205547336).

Almost surely, 210020331112021 is an apocalyptic number.

It is an amenable number.

10020331112021 is a deficient number, since it is larger than the sum of its proper divisors (76491077323).

10020331112021 is an equidigital number, since it uses as much as digits as its factorization.

10020331112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76491077322.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10020331112021 its reverse (12021113302001), we get a palindrome (22041444414022).

The spelling of 10020331112021 in words is "ten trillion, twenty billion, three hundred thirty-one million, one hundred twelve thousand, twenty-one".

Divisors: 1 131 76491077191 10020331112021