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812143033914 = 231719510182153
BaseRepresentation
bin10111101000101110111…
…11110011111000111010
32212122021122101202222110
423310113133303320322
5101301232104041124
61421032055433150
7112450442613162
oct13642737637072
92778248352873
10812143033914
1129347862a913
121114950857b6
135b77a941444
142b444d775a2
15161d43b8029
hexbd177f3e3a

812143033914 has 64 divisors (see below), whose sum is σ = 1810726738560. Its totient is φ = 241329715200.

The previous prime is 812143033913. The next prime is 812143033927. The reversal of 812143033914 is 419330341218.

It is not an unprimeable number, because it can be changed into a prime (812143033913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9844662 + ... + 9926814.

It is an arithmetic number, because the mean of its divisors is an integer number (28292605290).

Almost surely, 2812143033914 is an apocalyptic number.

812143033914 is an abundant number, since it is smaller than the sum of its proper divisors (998583704646).

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

812143033914 is a wasteful number, since it uses less digits than its factorization.

812143033914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87295.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 812143033914 in words is "eight hundred twelve billion, one hundred forty-three million, thirty-three thousand, nine hundred fourteen".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 5101 10202 15303 30606 82153 86717 96919 164306 173434 193838 246459 260151 290757 492918 520302 581514 1396601 1560907 1647623 2793202 3121814 3295246 4189803 4682721 4942869 8379606 9365442 9885738 26535419 53070838 79606257 159212514 419062453 838124906 1257187359 2514374718 7124061701 7962186607 14248123402 15924373214 21372185103 23886559821 42744370206 47773119642 135357172319 270714344638 406071516957 812143033914