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2000011021 = 53184720431
BaseRepresentation
bin111011100110101…
…1011111100001101
312011101101002100021
41313031123330031
513044000323041
6530243102141
7100363545631
oct16715337415
95141332307
102000011021
11936a54978
12479971951
1325b47c398
1414d89cdc1
15ba8b5cd1
hex7735bf0d

2000011021 has 8 divisors (see below), whose sum is σ = 2038950144. Its totient is φ = 1961116560.

The previous prime is 2000011009. The next prime is 2000011031. The reversal of 2000011021 is 1201100002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2000011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000010995 and 2000011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87676 + ... + 108106.

It is an arithmetic number, because the mean of its divisors is an integer number (254868768).

Almost surely, 22000011021 is an apocalyptic number.

It is an amenable number.

2000011021 is a deficient number, since it is larger than the sum of its proper divisors (38939123).

2000011021 is a wasteful number, since it uses less digits than its factorization.

2000011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22331.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2000011021 is about 44721.4827683519. The cubic root of 2000011021 is about 1259.9233641556.

Adding to 2000011021 its reverse (1201100002), we get a palindrome (3201111023).

The spelling of 2000011021 in words is "two billion, eleven thousand, twenty-one".

Divisors: 1 53 1847 20431 97891 1082843 37736057 2000011021