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2002230023 = 6132823443
BaseRepresentation
bin111011101010111…
…1001101100000111
312011112112211020112
41313111321230013
513100032330043
6530402423235
7100421450213
oct16725715407
95145484215
102002230023
11938230062
1247a661b1b
1325ba783c1
1414dcb9943
15baba3518
hex77579b07

2002230023 has 4 divisors (see below), whose sum is σ = 2035053528. Its totient is φ = 1969406520.

The previous prime is 2002230019. The next prime is 2002230067. The reversal of 2002230023 is 3200322002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002230023 - 22 = 2002230019 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 (2002239023) 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, 16411661 + ... + 16411782.

It is an arithmetic number, because the mean of its divisors is an integer number (508763382).

Almost surely, 22002230023 is an apocalyptic number.

2002230023 is a deficient number, since it is larger than the sum of its proper divisors (32823505).

2002230023 is an equidigital number, since it uses as much as digits as its factorization.

2002230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823504.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2002230023 is about 44746.2850189823. The cubic root of 2002230023 is about 1260.3891514450.

Adding to 2002230023 its reverse (3200322002), we get a palindrome (5202552025).

The spelling of 2002230023 in words is "two billion, two million, two hundred thirty thousand, twenty-three".

Divisors: 1 61 32823443 2002230023