Search a number
-
+
12110011001 = 118313263977
BaseRepresentation
bin10110100011101000…
…00001101001111001
31011020222010022001222
423101310001221321
5144300130323001
65321355321425
7606045252344
oct132164015171
934228108058
1012110011001
115154870560
12241b750275
1311acba1baa
1482c49745b
154ad25161b
hex2d1d01a79

12110011001 has 8 divisors (see below), whose sum is σ = 13370089824. Its totient is φ = 10876460320.

The previous prime is 12110010977. The next prime is 12110011079. The reversal of 12110011001 is 10011001121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-12110011001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12110011001.

It is not an unprimeable number, because it can be changed into a prime (12110011091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6631076 + ... + 6632901.

It is an arithmetic number, because the mean of its divisors is an integer number (1671261228).

Almost surely, 212110011001 is an apocalyptic number.

12110011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12110011001 is a deficient number, since it is larger than the sum of its proper divisors (1260078823).

12110011001 is a wasteful number, since it uses less digits than its factorization.

12110011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13264071.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 12110011001 its reverse (10011001121), we get a palindrome (22121012122).

It can be divided in two parts, 121 and 10011001, that multiplied together give a palindrome (1211331121).

The spelling of 12110011001 in words is "twelve billion, one hundred ten million, eleven thousand, one".

Divisors: 1 11 83 913 13263977 145903747 1100910091 12110011001