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210012021023 = 7136192202931
BaseRepresentation
bin1100001110010110110…
…0010010000100011111
3202002002002200001100212
43003211230102010133
511420101034133043
6240251142243035
721113202503450
oct3034554220437
9662062601325
10210012021023
118107a346842
123485072647b
1316a5b65807c
14a243a93127
1556e2409018
hex30e5b1211f

210012021023 has 8 divisors (see below), whose sum is σ = 240031470720. Its totient is φ = 179997004440.

The previous prime is 210012021017. The next prime is 210012021067. The reversal of 210012021023 is 320120210012.

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 210012021023 - 28 = 210012020767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210012020989 and 210012021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210012021223) 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, 1006133 + ... + 1196798.

It is an arithmetic number, because the mean of its divisors is an integer number (30003933840).

Almost surely, 2210012021023 is an apocalyptic number.

210012021023 is a deficient number, since it is larger than the sum of its proper divisors (30019449697).

210012021023 is a wasteful number, since it uses less digits than its factorization.

210012021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216557.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210012021023 its reverse (320120210012), we get a palindrome (530132231035).

The spelling of 210012021023 in words is "two hundred ten billion, twelve million, twenty-one thousand, twenty-three".

Divisors: 1 7 13619 95333 2202931 15420517 30001717289 210012021023