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12313043041 = 13953993869
BaseRepresentation
bin10110111011110101…
…00010000001100001
31011210010011101200011
423131322202001201
5200204114334131
65353451124521
7614062065445
oct133572420141
934703141604
1012313043041
115249434532
122477743741
131212c7b2b0
1484b428825
154c0ea90b1
hex2ddea2061

12313043041 has 8 divisors (see below), whose sum is σ = 13274127720. Its totient is φ = 11353948032.

The previous prime is 12313043027. The next prime is 12313043059. The reversal of 12313043041 is 14034031321.

It can be written as a sum of positive squares in 4 ways, for example, as 2685312400 + 9627730641 = 51820^2 + 98121^2 .

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 12313043041 - 25 = 12313043009 is a prime.

It is a super-2 number, since 2×123130430412 (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 (12313049041) 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, 484546 + ... + 509323.

It is an arithmetic number, because the mean of its divisors is an integer number (1659265965).

Almost surely, 212313043041 is an apocalyptic number.

It is an amenable number.

12313043041 is a deficient number, since it is larger than the sum of its proper divisors (961084679).

12313043041 is an equidigital number, since it uses as much as digits as its factorization.

12313043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994835.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12313043041 its reverse (14034031321), we get a palindrome (26347074362).

The spelling of 12313043041 in words is "twelve billion, three hundred thirteen million, forty-three thousand, forty-one".

Divisors: 1 13 953 12389 993869 12920297 947157157 12313043041