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271972812413 = 1181230290273
BaseRepresentation
bin1111110101001011010…
…1111100011001111101
3222000000020211101020102
43331102311330121331
513424000014444123
6324535333130445
725435511522231
oct3752265743175
9860006741212
10271972812413
11a5385620455
1244863189a25
131c8543b2043
14d240b165c1
15711bd77028
hex3f52d7c67d

271972812413 has 4 divisors (see below), whose sum is σ = 272203103868. Its totient is φ = 271742520960.

The previous prime is 271972812373. The next prime is 271972812421. The reversal of 271972812413 is 314218279172.

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 247712257849 + 24260554564 = 497707^2 + 155758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-271972812413 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 (271972812443) 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, 115143956 + ... + 115146317.

It is an arithmetic number, because the mean of its divisors is an integer number (68050775967).

Almost surely, 2271972812413 is an apocalyptic number.

It is an amenable number.

271972812413 is a deficient number, since it is larger than the sum of its proper divisors (230291455).

271972812413 is a wasteful number, since it uses less digits than its factorization.

271972812413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230291454.

The product of its digits is 338688, while the sum is 47.

The spelling of 271972812413 in words is "two hundred seventy-one billion, nine hundred seventy-two million, eight hundred twelve thousand, four hundred thirteen".

Divisors: 1 1181 230290273 271972812413