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80349270743 = 711478467249
BaseRepresentation
bin100101011010100110…
…0001001001011010111
321200101200022212101102
41022311030021023113
52304023403130433
6100524551420315
75543062350440
oct1126514111327
9250350285342
1080349270743
1131092083395
12136a498469b
1377665c40b1
143c632d62c7
152153eb14e8
hex12b53092d7

80349270743 has 4 divisors (see below), whose sum is σ = 91827738000. Its totient is φ = 68870803488.

The previous prime is 80349270739. The next prime is 80349270809. The reversal of 80349270743 is 34707294308.

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

It is a cyclic number.

It is not a de Polignac number, because 80349270743 - 22 = 80349270739 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 (80349270733) 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, 5739233618 + ... + 5739233631.

It is an arithmetic number, because the mean of its divisors is an integer number (22956934500).

Almost surely, 280349270743 is an apocalyptic number.

80349270743 is a deficient number, since it is larger than the sum of its proper divisors (11478467257).

80349270743 is a wasteful number, since it uses less digits than its factorization.

80349270743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478467256.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 80349270743 in words is "eighty billion, three hundred forty-nine million, two hundred seventy thousand, seven hundred forty-three".

Divisors: 1 7 11478467249 80349270743