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23212021002 = 2337910207573
BaseRepresentation
bin10101100111100010…
…110101010100001010
32012220200111211201120
4111213202311110022
5340014234133002
614355150100110
71451133631422
oct254742652412
965820454646
1023212021002
119931642a35
1245b97aa636
13225bc94b91
1411a2b1d482
1590cc40cbc
hex5678b550a

23212021002 has 16 divisors (see below), whose sum is σ = 46546537440. Its totient is φ = 7716924432.

The previous prime is 23212020961. The next prime is 23212021009. The reversal of 23212021002 is 20012021232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23212021009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5101513 + ... + 5106060.

It is an arithmetic number, because the mean of its divisors is an integer number (2909158590).

Almost surely, 223212021002 is an apocalyptic number.

23212021002 is an abundant number, since it is smaller than the sum of its proper divisors (23334516438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23212021002 is a wasteful number, since it uses less digits than its factorization.

23212021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207957.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23212021002 its reverse (20012021232), we get a palindrome (43224042234).

The spelling of 23212021002 in words is "twenty-three billion, two hundred twelve million, twenty-one thousand, two".

Divisors: 1 2 3 6 379 758 1137 2274 10207573 20415146 30622719 61245438 3868670167 7737340334 11606010501 23212021002