Search a number
-
+
12011010131 = 431282921773
BaseRepresentation
bin10110010111110100…
…10111100001010011
31011000001211112102002
423023322113201103
5144044304311011
65303501344215
7603433621151
oct131372274123
934001745362
1012011010131
1151039a175a
1223b256806b
13119551b0b3
1481d2863d1
154a46e7c3b
hex2cbe97853

12011010131 has 8 divisors (see below), whose sum is σ = 12291858480. Its totient is φ = 11730231072.

The previous prime is 12011010107. The next prime is 12011010133. The reversal of 12011010131 is 13101011021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12011010131 is a prime.

It is a super-2 number, since 2×120110101312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011010133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540761 + ... + 562533.

It is an arithmetic number, because the mean of its divisors is an integer number (1536482310).

Almost surely, 212011010131 is an apocalyptic number.

12011010131 is a deficient number, since it is larger than the sum of its proper divisors (280848349).

12011010131 is a wasteful number, since it uses less digits than its factorization.

12011010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34645.

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

Adding to 12011010131 its reverse (13101011021), we get a palindrome (25112021152).

The spelling of 12011010131 in words is "twelve billion, eleven million, ten thousand, one hundred thirty-one".

Divisors: 1 43 12829 21773 551647 936239 279325817 12011010131