Search a number
-
+
181104001 = 13234671297
BaseRepresentation
bin10101100101101…
…10110110000001
3110121210000222121
422302312312001
5332330312001
625545404241
74326234001
oct1262666601
9417700877
10181104001
1193257131
1250799681
132b69c540
141a0a4001
1510d756a1
hexacb6d81

181104001 has 16 divisors (see below), whose sum is σ = 204107904. Its totient is φ = 159439104.

The previous prime is 181103977. The next prime is 181104017. The reversal of 181104001 is 100401181.

181104001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 181104001 - 211 = 181101953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (181104041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138985 + ... + 140281.

It is an arithmetic number, because the mean of its divisors is an integer number (12756744).

Almost surely, 2181104001 is an apocalyptic number.

It is an amenable number.

181104001 is a deficient number, since it is larger than the sum of its proper divisors (23003903).

181104001 is a wasteful number, since it uses less digits than its factorization.

181104001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 181104001 is about 13457.4886587357. The cubic root of 181104001 is about 565.7736039284.

Adding to 181104001 its reverse (100401181), we get a palindrome (281505182).

The spelling of 181104001 in words is "one hundred eighty-one million, one hundred four thousand, one".

Divisors: 1 13 23 299 467 1297 6071 10741 16861 29831 139633 387803 605699 7874087 13931077 181104001