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258527071920 = 243513376136713
BaseRepresentation
bin1111000011000101101…
…0100000111010110000
3220201022012021222202210
43300301122200322300
513213430412300140
6314433220212120
724451353565515
oct3606132407260
9821265258683
10258527071920
119a705879627
124213023a040
131b4c0875390
14c7270bb30c
156ad1728d80
hex3c316a0eb0

258527071920 has 320 divisors, whose sum is σ = 900965084544. Its totient is φ = 60900802560.

The previous prime is 258527071919. The next prime is 258527071921. The reversal of 258527071920 is 29170725852.

It is an interprime number because it is at equal distance from previous prime (258527071919) and next prime (258527071921).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 258527071920.

It is not an unprimeable number, because it can be changed into a prime (258527071921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7023484 + ... + 7060196.

Almost surely, 2258527071920 is an apocalyptic number.

258527071920 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 258527071920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450482542272).

258527071920 is an abundant number, since it is smaller than the sum of its proper divisors (642438012624).

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

258527071920 is a wasteful number, since it uses less digits than its factorization.

258527071920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36840 (or 36834 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 258527071920 in words is "two hundred fifty-eight billion, five hundred twenty-seven million, seventy-one thousand, nine hundred twenty".