Search a number
-
+
12111103010 = 251211110301
BaseRepresentation
bin10110100011110000…
…01100010000100010
31011021001011210000202
423101320030100202
5144300420244020
65321434545202
7606060451136
oct132170142042
934231153022
1012111103010
115155446a46
12241bb98202
1311b0194c56
1482c69d3c6
154ad3b9e75
hex2d1e0c422

12111103010 has 8 divisors (see below), whose sum is σ = 21799985436. Its totient is φ = 4844441200.

The previous prime is 12111103009. The next prime is 12111103027. The reversal of 12111103010 is 1030111121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10609618009 + 1501485001 = 103003^2 + 38749^2 .

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

It is a super-2 number, since 2×121111030102 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12111102982 and 12111103000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605555141 + ... + 605555160.

Almost surely, 212111103010 is an apocalyptic number.

12111103010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111103010 is a deficient number, since it is larger than the sum of its proper divisors (9688882426).

12111103010 is a wasteful number, since it uses less digits than its factorization.

12111103010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211110308.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 12111103010 its reverse (1030111121), we get a palindrome (13141214131).

The spelling of 12111103010 in words is "twelve billion, one hundred eleven million, one hundred three thousand, ten".

Divisors: 1 2 5 10 1211110301 2422220602 6055551505 12111103010