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23555142336 = 26311173072137
BaseRepresentation
bin10101111011111111…
…101111001011000000
32020210121011012201010
4111323333233023000
5341220104023321
614453204240520
71462501256235
oct257377571300
966717135633
1023555142336
119a9829a090
1246946a0140
1322b50b015b
1411d651978c
1592ce1b676
hex57bfef2c0

23555142336 has 224 divisors, whose sum is σ = 72256326912. Its totient is φ = 6693027840.

The previous prime is 23555142311. The next prime is 23555142341. The reversal of 23555142336 is 63324155532.

It is a junction number, because it is equal to n+sod(n) for n = 23555142294 and 23555142303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11021460 + ... + 11023596.

It is an arithmetic number, because the mean of its divisors is an integer number (322572888).

Almost surely, 223555142336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23555142336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36128163456).

23555142336 is an abundant number, since it is smaller than the sum of its proper divisors (48701184576).

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

23555142336 is a wasteful number, since it uses less digits than its factorization.

23555142336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2477 counting only the distinct ones).

The product of its digits is 324000, while the sum is 39.

Adding to 23555142336 its reverse (63324155532), we get a palindrome (86879297868).

The spelling of 23555142336 in words is "twenty-three billion, five hundred fifty-five million, one hundred forty-two thousand, three hundred thirty-six".