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258213243000 = 23353678571499
BaseRepresentation
bin1111000001111010110…
…1010110100001111000
3220200111022202211102110
43300132231112201320
513212310042234000
6314342125532320
724440523231426
oct3603655264170
9820438684373
10258213243000
119a56470a289
12420631140a0
131b470844cab
14c6d7548116
156ab3dd7850
hex3c1eb56878

258213243000 has 256 divisors, whose sum is σ = 819149760000. Its totient is φ = 67704806400.

The previous prime is 258213242983. The next prime is 258213243019. The reversal of 258213243000 is 342312852.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172256251 + ... + 172257749.

It is an arithmetic number, because the mean of its divisors is an integer number (3199803750).

Almost surely, 2258213243000 is an apocalyptic number.

258213243000 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 258213243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409574880000).

258213243000 is an abundant number, since it is smaller than the sum of its proper divisors (560936517000).

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

258213243000 is a wasteful number, since it uses less digits than its factorization.

258213243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 258213243000 its reverse (342312852), we get a palindrome (258555555852).

The spelling of 258213243000 in words is "two hundred fifty-eight billion, two hundred thirteen million, two hundred forty-three thousand".