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80134511 = 29101109251
BaseRepresentation
bin1001100011011…
…00000101101111
312120210020212212
410301230011233
5131003301021
611541321035
71662063212
oct461540557
9176706785
1080134511
1141263276
1222a0617b
13137a9692
14a8dd779
15707d85b
hex4c6c16f

80134511 has 16 divisors (see below), whose sum is σ = 84823200. Its totient is φ = 75600000.

The previous prime is 80134501. The next prime is 80134529. The reversal of 80134511 is 11543108.

It is a cyclic number.

It is not a de Polignac number, because 80134511 - 226 = 13025647 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 (80134501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319136 + ... + 319386.

It is an arithmetic number, because the mean of its divisors is an integer number (5301450).

Almost surely, 280134511 is an apocalyptic number.

80134511 is a deficient number, since it is larger than the sum of its proper divisors (4688689).

80134511 is a wasteful number, since it uses less digits than its factorization.

80134511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 80134511 is about 8951.7881453931. The cubic root of 80134511 is about 431.1282987537.

Adding to 80134511 its reverse (11543108), we get a palindrome (91677619).

The spelling of 80134511 in words is "eighty million, one hundred thirty-four thousand, five hundred eleven".

Divisors: 1 29 101 109 251 2929 3161 7279 11009 25351 27359 319261 735179 793411 2763259 80134511