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23330121330 = 235777670711
BaseRepresentation
bin10101101110100101…
…010110011001110010
32020012220201221220210
4111232211112121302
5340240002340310
614415005244550
71454066521305
oct255645263162
966186657823
1023330121330
11999227750a
124631263756
13227a5a5229
1411b46a2b3c
159182bd820
hex56e956672

23330121330 has 16 divisors (see below), whose sum is σ = 55992291264. Its totient is φ = 6221365680.

The previous prime is 23330121293. The next prime is 23330121341. The reversal of 23330121330 is 3312103332.

It is a super-2 number, since 2×233301213302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23330121297 and 23330121306.

It is an unprimeable number.

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, 388835326 + ... + 388835385.

It is an arithmetic number, because the mean of its divisors is an integer number (3499518204).

Almost surely, 223330121330 is an apocalyptic number.

23330121330 is an abundant number, since it is smaller than the sum of its proper divisors (32662169934).

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

23330121330 is a wasteful number, since it uses less digits than its factorization.

23330121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777670721.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23330121330 its reverse (3312103332), we get a palindrome (26642224662).

The spelling of 23330121330 in words is "twenty-three billion, three hundred thirty million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 777670711 1555341422 2333012133 3888353555 4666024266 7776707110 11665060665 23330121330