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1005116532061 = 1291977801419
BaseRepresentation
bin11101010000001011001…
…11010010010101011101
310120002101022002011222111
432220011213102111131
5112431434313011221
62045424423314021
7132421503362065
oct16500547222535
93502338064874
101005116532061
113582a4096194
1214296b5ab911
1373a223089c5
143690dba03a5
151b22aa3abe1
hexea059d255d

1005116532061 has 4 divisors (see below), whose sum is σ = 1005194346400. Its totient is φ = 1005038717724.

The previous prime is 1005116532037. The next prime is 1005116532137. The reversal of 1005116532061 is 1602356115001.

It is a happy number.

1005116532061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1005116532061 - 25 = 1005116532029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005116532661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38887791 + ... + 38913628.

It is an arithmetic number, because the mean of its divisors is an integer number (251298586600).

Almost surely, 21005116532061 is an apocalyptic number.

It is an amenable number.

1005116532061 is a deficient number, since it is larger than the sum of its proper divisors (77814339).

1005116532061 is an equidigital number, since it uses as much as digits as its factorization.

1005116532061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77814338.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 1005116532061 in words is "one trillion, five billion, one hundred sixteen million, five hundred thirty-two thousand, sixty-one".

Divisors: 1 12919 77801419 1005116532061