Search a number
-
+
12100716 = 2232437817
BaseRepresentation
bin101110001010…
…010001101100
3211202210001200
4232022101230
511044210331
61111205500
7204566025
oct56122154
924683050
1012100716
1169154a1
124076890
132678ab4
14186dc4c
1510e05e6
hexb8a46c

12100716 has 36 divisors (see below), whose sum is σ = 31303272. Its totient is φ = 3939264.

The previous prime is 12100681. The next prime is 12100717. The reversal of 12100716 is 61700121.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (12100717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2361 + ... + 5456.

Almost surely, 212100716 is an apocalyptic number.

It is an amenable number.

12100716 is an abundant number, since it is smaller than the sum of its proper divisors (19202556).

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

12100716 is a wasteful number, since it uses less digits than its factorization.

12100716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870 (or 7865 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 12100716 is about 3478.6083424266. The cubic root of 12100716 is about 229.5815706737.

Adding to 12100716 its reverse (61700121), we get a palindrome (73800837).

The spelling of 12100716 in words is "twelve million, one hundred thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 43 86 129 172 258 387 516 774 1548 7817 15634 23451 31268 46902 70353 93804 140706 281412 336131 672262 1008393 1344524 2016786 3025179 4033572 6050358 12100716