Search a number
-
+
13100850 = 2325274159
BaseRepresentation
bin110001111110…
…011100110010
3220122120222200
4301332130302
511323211400
61144444030
7216232620
oct61763462
926576880
1013100850
117438954
124479616
1329390a9
141a50510
15123bb00
hexc7e732

13100850 has 72 divisors (see below), whose sum is σ = 40235520. Its totient is φ = 2993760.

The previous prime is 13100821. The next prime is 13100887. The reversal of 13100850 is 5800131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1071 + ... + 5229.

Almost surely, 213100850 is an apocalyptic number.

13100850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13100850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20117760).

13100850 is an abundant number, since it is smaller than the sum of its proper divisors (27134670).

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

13100850 is a wasteful number, since it uses less digits than its factorization.

13100850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184 (or 4176 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 13100850 is about 3619.5096352959. The cubic root of 13100850 is about 235.7399342417.

Adding to 13100850 its reverse (5800131), we get a palindrome (18900981).

The spelling of 13100850 in words is "thirteen million, one hundred thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 4159 8318 12477 20795 24954 29113 37431 41590 58226 62385 74862 87339 103975 124770 145565 174678 187155 207950 262017 291130 311925 374310 436695 524034 623850 727825 873390 935775 1310085 1455650 1871550 2183475 2620170 4366950 6550425 13100850