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11012404831 = 371303228421
BaseRepresentation
bin10100100000110001…
…11111011001011111
31001102110210010110121
422100120333121133
5140023133423311
65020430015411
7536616616351
oct122030773137
931373703417
1011012404831
11474124081a
122174047567
13106667b99c
147667bd0d1
15446bdeb71
hex29063f65f

11012404831 has 8 divisors (see below), whose sum is σ = 11318766944. Its totient is φ = 10706502240.

The previous prime is 11012404801. The next prime is 11012404861. The reversal of 11012404831 is 13840421011.

It is an interprime number because it is at equal distance from previous prime (11012404801) and next prime (11012404861).

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

It is a cyclic number.

It is not a de Polignac number, because 11012404831 - 27 = 11012404703 is a prime.

It is a super-2 number, since 2×110124048312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11012404796 and 11012404805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012404801) 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, 66000 + ... + 162421.

It is an arithmetic number, because the mean of its divisors is an integer number (1414845868).

Almost surely, 211012404831 is an apocalyptic number.

11012404831 is a deficient number, since it is larger than the sum of its proper divisors (306362113).

11012404831 is a wasteful number, since it uses less digits than its factorization.

11012404831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229761.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 11012404831 its reverse (13840421011), we get a palindrome (24852825842).

The spelling of 11012404831 in words is "eleven billion, twelve million, four hundred four thousand, eight hundred thirty-one".

Divisors: 1 37 1303 48211 228421 8451577 297632563 11012404831