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23553334240 = 255601244939
BaseRepresentation
bin10101111011111000…
…110101101111100000
32020210110202100110121
4111323320311233200
5341214123143430
614453101410024
71462450015642
oct257370655740
966713670417
1023553334240
119a97274697
124693b69914
1322b48c9187
1411d61a8892
1592cbb0a7a
hex57be35be0

23553334240 has 48 divisors (see below), whose sum is σ = 55737566640. Its totient is φ = 9405619200.

The previous prime is 23553334223. The next prime is 23553334241. The reversal of 23553334240 is 4243335532.

It is a junction number, because it is equal to n+sod(n) for n = 23553334196 and 23553334205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23553334241) 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, 26310 + ... + 218629.

It is an arithmetic number, because the mean of its divisors is an integer number (1161199305).

Almost surely, 223553334240 is an apocalyptic number.

23553334240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23553334240 is an abundant number, since it is smaller than the sum of its proper divisors (32184232400).

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

23553334240 is a wasteful number, since it uses less digits than its factorization.

23553334240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245555 (or 245547 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 23553334240 its reverse (4243335532), we get a palindrome (27796669772).

The spelling of 23553334240 in words is "twenty-three billion, five hundred fifty-three million, three hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 601 1202 2404 3005 4808 6010 9616 12020 19232 24040 48080 96160 244939 489878 979756 1224695 1959512 2449390 3919024 4898780 7838048 9797560 19595120 39190240 147208339 294416678 588833356 736041695 1177666712 1472083390 2355333424 2944166780 4710666848 5888333560 11776667120 23553334240