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819308482134 = 231229111107741
BaseRepresentation
bin10111110110000101001…
…01110100111001010110
32220022210000110021001120
423323002211310321112
5101410420432412014
61424215104104410
7113123141122602
oct13730245647126
92808700407046
10819308482134
1129651530814a
12112954905106
135c3502c492c
142b924880502
15164a34b3ba9
hexbec2974e56

819308482134 has 16 divisors (see below), whose sum is σ = 1639950271920. Its totient is φ = 272880609440.

The previous prime is 819308482129. The next prime is 819308482163. The reversal of 819308482134 is 431284803918.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55546497 + ... + 55561244.

It is an arithmetic number, because the mean of its divisors is an integer number (102496891995).

Almost surely, 2819308482134 is an apocalyptic number.

819308482134 is an abundant number, since it is smaller than the sum of its proper divisors (820641789786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

819308482134 is a wasteful number, since it uses less digits than its factorization.

819308482134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111108975.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 819308482134 in words is "eight hundred nineteen billion, three hundred eight million, four hundred eighty-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 1229 2458 3687 7374 111107741 222215482 333323223 666646446 136551413689 273102827378 409654241067 819308482134