Search a number
-
+
10213231112 = 237310934147
BaseRepresentation
bin10011000001100000…
…11000101000001000
3222100202222220012222
421200300120220020
5131404041343422
64405240553212
7511044014000
oct114060305010
928322886188
1010213231112
114371114777
121b90482808
13c69c27c26
146cc5cb000
153eb97c842
hex260c18a08

10213231112 has 64 divisors (see below), whose sum is σ = 22537680000. Its totient is φ = 4336815168.

The previous prime is 10213231109. The next prime is 10213231123. The reversal of 10213231112 is 21113231201.

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, 282023 + ... + 316169.

It is an arithmetic number, because the mean of its divisors is an integer number (352151250).

Almost surely, 210213231112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10213231112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11268840000).

10213231112 is an abundant number, since it is smaller than the sum of its proper divisors (12324448888).

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

10213231112 is a wasteful number, since it uses less digits than its factorization.

10213231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34283 (or 34265 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10213231112 its reverse (21113231201), we get a palindrome (31326462313).

The spelling of 10213231112 in words is "ten billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 49 56 98 109 196 218 343 392 436 686 763 872 1372 1526 2744 3052 5341 6104 10682 21364 34147 37387 42728 68294 74774 136588 149548 239029 273176 299096 478058 956116 1673203 1912232 3346406 3722023 6692812 7444046 11712421 13385624 14888092 23424842 26054161 29776184 46849684 52108322 93699368 104216644 182379127 208433288 364758254 729516508 1276653889 1459033016 2553307778 5106615556 10213231112