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1017276013 = 1378252001
BaseRepresentation
bin111100101000100…
…110011001101101
32121220011222100101
4330220212121231
54040410313023
6244535431101
734131463165
oct7450463155
92556158311
101017276013
11482253586
12244825491
131329a8790
14991675a5
155e4951ad
hex3ca2666d

1017276013 has 4 divisors (see below), whose sum is σ = 1095528028. Its totient is φ = 939024000.

The previous prime is 1017275953. The next prime is 1017276023. The reversal of 1017276013 is 3106727101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106564329 + 910711684 = 10323^2 + 30178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1017276013 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 (1017276023) 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, 39125988 + ... + 39126013.

It is an arithmetic number, because the mean of its divisors is an integer number (273882007).

Almost surely, 21017276013 is an apocalyptic number.

1017276013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1017276013 is a deficient number, since it is larger than the sum of its proper divisors (78252015).

1017276013 is an equidigital number, since it uses as much as digits as its factorization.

1017276013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78252014.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1017276013 is about 31894.7646644398. The cubic root of 1017276013 is about 1005.7258233729.

The spelling of 1017276013 in words is "one billion, seventeen million, two hundred seventy-six thousand, thirteen".

Divisors: 1 13 78252001 1017276013