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256341713500 = 225310316013109
BaseRepresentation
bin1110111010111100101…
…0000010001001011100
3220111122220011021121001
43232233022002021130
513144441434313000
6313432312320044
724343246420255
oct3565712021134
9814586137531
10256341713500
119979423a494
12418203a3024
131b232b9c1a2
14c59ab71b2c
156a0495046a
hex3baf28225c

256341713500 has 96 divisors (see below), whose sum is σ = 565820760960. Its totient is φ = 101445120000.

The previous prime is 256341713449. The next prime is 256341713501. The reversal of 256341713500 is 5317143652.

256341713500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2563417135002 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256341713500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256341713501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82449946 + ... + 82453054.

It is an arithmetic number, because the mean of its divisors is an integer number (5893966260).

Almost surely, 2256341713500 is an apocalyptic number.

256341713500 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 256341713500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282910380480).

256341713500 is an abundant number, since it is smaller than the sum of its proper divisors (309479047460).

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

256341713500 is a wasteful number, since it uses less digits than its factorization.

256341713500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832 (or 4820 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 256341713500 in words is "two hundred fifty-six billion, three hundred forty-one million, seven hundred thirteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 103 125 206 250 412 500 515 1030 1601 2060 2575 3109 3202 5150 6218 6404 8005 10300 12436 12875 15545 16010 25750 31090 32020 40025 51500 62180 77725 80050 155450 160100 164903 200125 310900 320227 329806 388625 400250 640454 659612 777250 800500 824515 1280908 1554500 1601135 1649030 3202270 3298060 4122575 4977509 6404540 8005675 8245150 9955018 16011350 16490300 19910036 20612875 24887545 32022700 40028375 41225750 49775090 80056750 82451500 99550180 124437725 160113500 248875450 497750900 512683427 622188625 1025366854 1244377250 2050733708 2488754500 2563417135 5126834270 10253668540 12817085675 25634171350 51268342700 64085428375 128170856750 256341713500