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13375471061 = 96601138461
BaseRepresentation
bin11000111010011110…
…10111110111010101
31021112011022022221002
430131033113313111
5204343110033221
610051122433045
7652312425311
oct143517276725
937464268832
1013375471061
115744117417
122713502785
131352105624
1490c586b41
155343bc80b
hex31d3d7dd5

13375471061 has 4 divisors (see below), whose sum is σ = 13375706124. Its totient is φ = 13375236000.

The previous prime is 13375471033. The next prime is 13375471069. The reversal of 13375471061 is 16017457331.

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 5366295025 + 8009176036 = 73255^2 + 89494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13375471061 is a prime.

It is a super-2 number, since 2×133754710612 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375471069) 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, 27371 + ... + 165831.

It is an arithmetic number, because the mean of its divisors is an integer number (3343926531).

Almost surely, 213375471061 is an apocalyptic number.

It is an amenable number.

13375471061 is a deficient number, since it is larger than the sum of its proper divisors (235063).

13375471061 is an equidigital number, since it uses as much as digits as its factorization.

13375471061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235062.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 13375471061 in words is "thirteen billion, three hundred seventy-five million, four hundred seventy-one thousand, sixty-one".

Divisors: 1 96601 138461 13375471061