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15243209041 is a prime number
BaseRepresentation
bin11100011001001000…
…01110100101010001
31110100022210020202211
432030210032211101
5222204230142131
611000322512121
71046512065454
oct161444164521
943308706684
1015243209041
116512437625
122b54b05641
13158c051728
14a4865349b
155e33565b1
hex38c90e951

15243209041 has 2 divisors, whose sum is σ = 15243209042. Its totient is φ = 15243209040.

The previous prime is 15243209039. The next prime is 15243209057. The reversal of 15243209041 is 14090234251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15097282641 + 145926400 = 122871^2 + 12080^2 .

It is a cyclic number.

It is not a de Polignac number, because 15243209041 - 21 = 15243209039 is a prime.

Together with 15243209039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 15243208994 and 15243209012.

It is not a weakly prime, because it can be changed into another prime (15243209081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621604520 + 7621604521.

It is an arithmetic number, because the mean of its divisors is an integer number (7621604521).

Almost surely, 215243209041 is an apocalyptic number.

It is an amenable number.

15243209041 is a deficient number, since it is larger than the sum of its proper divisors (1).

15243209041 is an equidigital number, since it uses as much as digits as its factorization.

15243209041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 15243209041 in words is "fifteen billion, two hundred forty-three million, two hundred nine thousand, forty-one".