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2015460142049 is a prime number
BaseRepresentation
bin11101010101000010110…
…010010010101111100001
321010200020212211102212202
4131111002302102233201
5231010130244021144
64141520053302545
7265416660354344
oct35250262225741
97120225742782
102015460142049
1170782a786392
12286739634a55
1311809851b513
146d797c5245b
15376603d564e
hex1d542c92be1

2015460142049 has 2 divisors, whose sum is σ = 2015460142050. Its totient is φ = 2015460142048.

The previous prime is 2015460142013. The next prime is 2015460142097. The reversal of 2015460142049 is 9402410645102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382787846400 + 632672295649 = 1175920^2 + 795407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2015460142049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015460142249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007730071024 + 1007730071025.

It is an arithmetic number, because the mean of its divisors is an integer number (1007730071025).

Almost surely, 22015460142049 is an apocalyptic number.

It is an amenable number.

2015460142049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015460142049 is an equidigital number, since it uses as much as digits as its factorization.

2015460142049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 2015460142049 in words is "two trillion, fifteen billion, four hundred sixty million, one hundred forty-two thousand, forty-nine".