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2000031230021 = 111759103366129
BaseRepresentation
bin11101000110101011001…
…001101010100001000101
321002012102121121111111112
4131012223021222201011
5230232030443330041
64130445054214405
7264332431645466
oct35065311524105
97065377544445
102000031230021
11701232541420
122837524b4405
131167a9b7a186
146cb32a9cd6d
153705aaeadeb
hex1d1ab26a845

2000031230021 has 8 divisors (see below), whose sum is σ = 2183092665600. Its totient is φ = 1817176530240.

The previous prime is 2000031229991. The next prime is 2000031230023. The reversal of 2000031230021 is 1200321300002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2000031230021 - 26 = 2000031229957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000031229978 and 2000031230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000031230023) 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 7 ways as a sum of consecutive naturals, for example, 51663716 + ... + 51702413.

It is an arithmetic number, because the mean of its divisors is an integer number (272886583200).

Almost surely, 22000031230021 is an apocalyptic number.

It is an amenable number.

2000031230021 is a deficient number, since it is larger than the sum of its proper divisors (183061435579).

2000031230021 is a wasteful number, since it uses less digits than its factorization.

2000031230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103367899.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2000031230021 its reverse (1200321300002), we get a palindrome (3200352530023).

The spelling of 2000031230021 in words is "two trillion, thirty-one million, two hundred thirty thousand, twenty-one".

Divisors: 1 11 1759 19349 103366129 1137027419 181821020911 2000031230021