Search a number
-
+
256827301795200 = 2735226752843937
BaseRepresentation
bin111010011001010101000100…
…000101111001010110000000
31020200100110011020121111211010
4322121111010011321112000
5232130324303224421300
62310120500022320520
7105045105646552533
oct7231250405712600
91220313136544733
10256827301795200
1174918935431394
122497aa27889140
13b03c931377ac6
14475c717304a1a
151ea5a02c74a50
hexe99544179580

256827301795200 has 96 divisors (see below), whose sum is σ = 845924925319560. Its totient is φ = 68487280476160.

The previous prime is 256827301795193. The next prime is 256827301795201. The reversal of 256827301795200 is 2597103728652.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2568273017952002 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256827301795201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13376412369 + ... + 13376431568.

Almost surely, 2256827301795200 is an apocalyptic number.

256827301795200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256827301795200 is an abundant number, since it is smaller than the sum of its proper divisors (589097623524360).

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

256827301795200 is a wasteful number, since it uses less digits than its factorization.

256827301795200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26752843964 (or 26752843947 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 256827301795200 in words is "two hundred fifty-six trillion, eight hundred twenty-seven billion, three hundred one million, seven hundred ninety-five thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 300 320 384 400 480 600 640 800 960 1200 1600 1920 2400 3200 4800 9600 26752843937 53505687874 80258531811 107011375748 133764219685 160517063622 214022751496 267528439370 321034127244 401292659055 428045502992 535056878740 642068254488 668821098425 802585318110 856091005984 1070113757480 1284136508976 1337642196850 1605170636220 1712182011968 2006463295275 2140227514960 2568273017952 2675284393700 3210341272440 3424364023936 4012926590550 4280455029920 5136546035904 5350568787400 6420682544880 8025853181100 8560910059840 10273092071808 10701137574800 12841365089760 16051706362200 17121820119680 21402275149600 25682730179520 32103412724400 42804550299200 51365460359040 64206825448800 85609100598400 128413650897600 256827301795200