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23320103312 = 24114310130509
BaseRepresentation
bin10101101101111111…
…001000100110010000
32020012012212222210002
4111231333020212100
5340224421301222
614414010425132
71453615415252
oct255577104620
966165788702
1023320103312
119987654860
124629a321a8
1322784a83cc
1411b3215cd2
15917490392
hex56dfc8990

23320103312 has 80 divisors (see below), whose sum is σ = 50937543360. Its totient is φ = 10250688000.

The previous prime is 23320103309. The next prime is 23320103327. The reversal of 23320103312 is 21330102332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749114 + ... + 779622.

It is an arithmetic number, because the mean of its divisors is an integer number (636719292).

Almost surely, 223320103312 is an apocalyptic number.

23320103312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23320103312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25468771680).

23320103312 is an abundant number, since it is smaller than the sum of its proper divisors (27617440048).

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

23320103312 is a wasteful number, since it uses less digits than its factorization.

23320103312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30672 (or 30666 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23320103312 its reverse (21330102332), we get a palindrome (44650205644).

The spelling of 23320103312 in words is "twenty-three billion, three hundred twenty million, one hundred three thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 43 44 86 88 101 172 176 202 344 404 473 688 808 946 1111 1616 1892 2222 3784 4343 4444 7568 8686 8888 17372 17776 30509 34744 47773 61018 69488 95546 122036 191092 244072 335599 382184 488144 671198 764368 1311887 1342396 2623774 2684792 3081409 5247548 5369584 6162818 10495096 12325636 14430757 20990192 24651272 28861514 33895499 49302544 57723028 67790998 115446056 132500587 135581996 230892112 265001174 271163992 530002348 542327984 1060004696 1457506457 2120009392 2915012914 5830025828 11660051656 23320103312