Search a number
-
+
13113210100 = 22521771108643
BaseRepresentation
bin11000011011001101…
…11011010011110100
31020211212211002112011
430031212323103310
5203323440210400
610005113334004
7642646306144
oct141546732364
936755732464
1013113210100
11561a079921
12265b707304
13130c98c223
148c57d8924
1551b3658ba
hex30d9bb4f4

13113210100 has 72 divisors (see below), whose sum is σ = 30554169408. Its totient is φ = 4867161600.

The previous prime is 13113210013. The next prime is 13113210109. The reversal of 13113210100 is 101231131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113210109) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 66379 + ... + 175021.

It is an arithmetic number, because the mean of its divisors is an integer number (424363464).

Almost surely, 213113210100 is an apocalyptic number.

13113210100 is a gapful number since it is divisible by the number (10) 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 13113210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15277084704).

13113210100 is an abundant number, since it is smaller than the sum of its proper divisors (17440959308).

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

13113210100 is a wasteful number, since it uses less digits than its factorization.

13113210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108745 (or 108738 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13113210100 its reverse (101231131), we get a palindrome (13214441231).

The spelling of 13113210100 in words is "thirteen billion, one hundred thirteen million, two hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 71 85 100 142 170 284 340 355 425 710 850 1207 1420 1700 1775 2414 3550 4828 6035 7100 12070 24140 30175 60350 108643 120700 217286 434572 543215 1086430 1846931 2172860 2716075 3693862 5432150 7387724 7713653 9234655 10864300 15427306 18469310 30854612 36938620 38568265 46173275 77136530 92346550 131132101 154273060 184693100 192841325 262264202 385682650 524528404 655660505 771365300 1311321010 2622642020 3278302525 6556605050 13113210100