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23104340340 = 22351372810747
BaseRepresentation
bin10101100001001000…
…000100000101110100
32012122011220002121220
4111201020010011310
5334304202342330
614340342110340
71445355436554
oct254110040564
965564802556
1023104340340
119886885954
12458971b3b0
132242892403
1411926cd164
15903570710
hex561204174

23104340340 has 48 divisors (see below), whose sum is σ = 65164381632. Its totient is φ = 6116183296.

The previous prime is 23104340327. The next prime is 23104340381. The reversal of 23104340340 is 4304340132.

It is a self number, because there is not a number n which added to its sum of digits gives 23104340340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1397154 + ... + 1413593.

It is an arithmetic number, because the mean of its divisors is an integer number (1357591284).

Almost surely, 223104340340 is an apocalyptic number.

23104340340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23104340340 is an abundant number, since it is smaller than the sum of its proper divisors (42060041292).

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

23104340340 is a wasteful number, since it uses less digits than its factorization.

23104340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810896 (or 2810894 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23104340340 its reverse (4304340132), we get a palindrome (27408680472).

The spelling of 23104340340 in words is "twenty-three billion, one hundred four million, three hundred forty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137 274 411 548 685 822 1370 1644 2055 2740 4110 8220 2810747 5621494 8432241 11242988 14053735 16864482 28107470 33728964 42161205 56214940 84322410 168644820 385072339 770144678 1155217017 1540289356 1925361695 2310434034 3850723390 4620868068 5776085085 7701446780 11552170170 23104340340