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123330220132 = 22732324116217
BaseRepresentation
bin111001011011100001…
…1011101000001100100
3102210100002120022200211
41302313003131001210
54010040014021012
6132353534345204
711624144401000
oct1626703350144
9383302508624
10123330220132
114833876a869
121ba9b05b204
13b82611a922
145d7d74b700
15331c5276a7
hex1cb70dd064

123330220132 has 96 divisors (see below), whose sum is σ = 263743603200. Its totient is φ = 50344842240.

The previous prime is 123330220121. The next prime is 123330220151. The reversal of 123330220132 is 231022033321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7596888 + ... + 7613104.

It is an arithmetic number, because the mean of its divisors is an integer number (2747329200).

Almost surely, 2123330220132 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 123330220132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131871801600).

123330220132 is an abundant number, since it is smaller than the sum of its proper divisors (140413383068).

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

123330220132 is a wasteful number, since it uses less digits than its factorization.

123330220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16506 (or 16490 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123330220132 its reverse (231022033321), we get a palindrome (354352253453).

The spelling of 123330220132 in words is "one hundred twenty-three billion, three hundred thirty million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 241 322 343 482 644 686 964 1127 1372 1687 2254 3374 4508 5543 6748 7889 11086 11809 15778 16217 22172 23618 31556 32434 38801 47236 64868 77602 82663 113519 155204 165326 227038 271607 330652 372991 454076 543214 745982 794633 1086428 1491964 1589266 1901249 2610937 3178532 3802498 3908297 5221874 5562431 7604996 7816594 10443748 11124862 15633188 18276559 22249724 27358079 36553118 54716158 73106236 89890831 109432316 127935913 179781662 191506553 255871826 359563324 383013106 511743652 629235817 766026212 1258471634 1340545871 2516943268 2681091742 4404650719 5362183484 8809301438 17618602876 30832555033 61665110066 123330220132