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23502253340 = 2252634468109
BaseRepresentation
bin10101111000110101…
…111110110100011100
32020122220122011122102
4111320311332310130
5341113034101330
614444034504232
71461256600016
oct257065766434
966586564572
1023502253340
119a70455875
12467aa35078
1322a7152aa7
1411cd4ad1b6
15928470945
hex578d7ed1c

23502253340 has 24 divisors (see below), whose sum is σ = 49542403680. Its totient is φ = 9365154368.

The previous prime is 23502253309. The next prime is 23502253373. The reversal of 23502253340 is 4335220532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228795 + ... + 2239314.

It is an arithmetic number, because the mean of its divisors is an integer number (2064266820).

Almost surely, 223502253340 is an apocalyptic number.

23502253340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23502253340 is an abundant number, since it is smaller than the sum of its proper divisors (26040150340).

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

23502253340 is a wasteful number, since it uses less digits than its factorization.

23502253340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468381 (or 4468379 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

Adding to 23502253340 its reverse (4335220532), we get a palindrome (27837473872).

The spelling of 23502253340 in words is "twenty-three billion, five hundred two million, two hundred fifty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 263 526 1052 1315 2630 5260 4468109 8936218 17872436 22340545 44681090 89362180 1175112667 2350225334 4700450668 5875563335 11751126670 23502253340