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20143010334 = 2323145963843
BaseRepresentation
bin10010110000100111…
…011111001000011110
31220222210121221112210
4102300213133020132
5312223102312314
613130434341250
71312106522436
oct226047371036
956883557483
1020143010334
1185a7227887
123aa1a2a826
131b901ca235
14d912b12c6
157cd5b9559
hex4b09df21e

20143010334 has 16 divisors (see below), whose sum is σ = 42037587072. Its totient is φ = 6422409048.

The previous prime is 20143010333. The next prime is 20143010389. The reversal of 20143010334 is 43301034102.

It is a self number, because there is not a number n which added to its sum of digits gives 20143010334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143010333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72981784 + ... + 72982059.

It is an arithmetic number, because the mean of its divisors is an integer number (2627349192).

Almost surely, 220143010334 is an apocalyptic number.

20143010334 is an abundant number, since it is smaller than the sum of its proper divisors (21894576738).

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

20143010334 is a wasteful number, since it uses less digits than its factorization.

20143010334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145963871.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20143010334 its reverse (43301034102), we get a palindrome (63444044436).

The spelling of 20143010334 in words is "twenty billion, one hundred forty-three million, ten thousand, three hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 145963843 291927686 437891529 875783058 3357168389 6714336778 10071505167 20143010334