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12110232108 = 223131395471021
BaseRepresentation
bin10110100011101001…
…10111101000101100
31011020222112112101010
423101310313220230
5144300204411413
65321404145220
7606050163102
oct132164675054
934228475333
1012110232108
115154a01697
12241b838210
1311acc4b720
1482c513c72
154ad296dc3
hex2d1d37a2c

12110232108 has 96 divisors (see below), whose sum is σ = 30735873280. Its totient is φ = 3689038080.

The previous prime is 12110232077. The next prime is 12110232109. The reversal of 12110232108 is 80123201121.

It is not an unprimeable number, because it can be changed into a prime (12110232109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11860638 + ... + 11861658.

Almost surely, 212110232108 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 12110232108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15367936640).

12110232108 is an abundant number, since it is smaller than the sum of its proper divisors (18625641172).

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

12110232108 is a wasteful number, since it uses less digits than its factorization.

12110232108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 12110232108 its reverse (80123201121), we get a palindrome (92233433229).

The spelling of 12110232108 in words is "twelve billion, one hundred ten million, two hundred thirty-two thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 139 156 278 417 547 556 834 1021 1094 1641 1668 1807 2042 2188 3063 3282 3614 4084 5421 6126 6564 7111 7228 10842 12252 13273 14222 21333 21684 26546 28444 39819 42666 53092 76033 79638 85332 141919 152066 159276 228099 283838 304132 425757 456198 558487 567676 851514 912396 988429 1116974 1675461 1703028 1844947 1976858 2233948 2965287 3350922 3689894 3953716 5534841 5930574 6701844 7260331 7379788 11069682 11861148 14520662 21780993 22139364 29041324 43561986 77629693 87123972 155259386 232889079 310518772 465778158 931556316 1009186009 2018372018 3027558027 4036744036 6055116054 12110232108