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23604662540 = 2251963198443
BaseRepresentation
bin10101111110111100…
…101001000100001100
32020221001100002122202
4111332330221010030
5341320243200130
614502133501032
71463642215064
oct257674510414
966831302582
1023604662540
11a013242378
1246a91a1778
1322c242b054
1411dcd2a3a4
1593244e145
hex57ef2910c

23604662540 has 48 divisors (see below), whose sum is σ = 52261950720. Its totient is φ = 8930658240.

The previous prime is 23604662527. The next prime is 23604662551. The reversal of 23604662540 is 4526640632.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 23604662494 and 23604662503.

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, 190559 + ... + 289001.

It is an arithmetic number, because the mean of its divisors is an integer number (1088790640).

Almost surely, 223604662540 is an apocalyptic number.

23604662540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23604662540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26130975360).

23604662540 is an abundant number, since it is smaller than the sum of its proper divisors (28657288180).

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

23604662540 is a wasteful number, since it uses less digits than its factorization.

23604662540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99102 (or 99100 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 23604662540 in words is "twenty-three billion, six hundred four million, six hundred sixty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 631 1262 2524 3155 6310 11989 12620 23978 47956 59945 98443 119890 196886 239780 393772 492215 984430 1870417 1968860 3740834 7481668 9352085 18704170 37408340 62117533 124235066 248470132 310587665 621175330 1180233127 1242350660 2360466254 4720932508 5901165635 11802331270 23604662540