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23683728490 = 253768393719
BaseRepresentation
bin10110000011101010…
…010000010001101010
32021010120010001202021
4112003222100101222
5342001013302430
614514040255054
71465622241052
oct260352202152
967116101667
1023683728490
11a053935834
12470b77148a
132305922236
14120962c562
1593936b07a
hex583a9046a

23683728490 has 32 divisors (see below), whose sum is σ = 43847464320. Its totient is φ = 9203857344.

The previous prime is 23683728487. The next prime is 23683728491. The reversal of 23683728490 is 9482738632.

It is not an unprimeable number, because it can be changed into a prime (23683728491) 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, 205851 + ... + 299569.

It is an arithmetic number, because the mean of its divisors is an integer number (1370233260).

Almost surely, 223683728490 is an apocalyptic number.

23683728490 is a deficient number, since it is larger than the sum of its proper divisors (20163735830).

23683728490 is a wasteful number, since it uses less digits than its factorization.

23683728490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94446.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 23683728490 in words is "twenty-three billion, six hundred eighty-three million, seven hundred twenty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 683 1366 3415 6830 25271 50542 93719 126355 187438 252710 468595 937190 3467603 6935206 17338015 34676030 64010077 128020154 320050385 640100770 2368372849 4736745698 11841864245 23683728490