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800427488880 = 243541292727791
BaseRepresentation
bin10111010010111010011…
…00100011011001110000
32211112001011112102111010
423221131030203121300
5101103233414121010
61411413350550520
7111554224253205
oct13513514433160
92745034472433
10800427488880
112895064a5498
1210b165668440
135a6316c3c86
142aa53043cac
1515c4aad5620
hexba5d323670

800427488880 has 160 divisors (see below), whose sum is σ = 2542805250048. Its totient is φ = 208162662400.

The previous prime is 800427488879. The next prime is 800427488891. The reversal of 800427488880 is 88884724008.

800427488880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 800427488880.

It is a congruent number.

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, 28787785 + ... + 28815575.

Almost surely, 2800427488880 is an apocalyptic number.

800427488880 is a gapful number since it is divisible by the number (80) 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 800427488880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271402625024).

800427488880 is an abundant number, since it is smaller than the sum of its proper divisors (1742377761168).

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

800427488880 is a wasteful number, since it uses less digits than its factorization.

800427488880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775 (or 30769 counting only the distinct ones).

The product of its (nonzero) digits is 7340032, while the sum is 57.

The spelling of 800427488880 in words is "eight hundred billion, four hundred twenty-seven million, four hundred eighty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 41 48 60 80 82 120 123 164 205 240 246 328 410 492 615 656 820 984 1230 1640 1968 2460 2927 3280 4920 5854 8781 9840 11708 14635 17562 23416 27791 29270 35124 43905 46832 55582 58540 70248 83373 87810 111164 117080 120007 138955 140496 166746 175620 222328 234160 240014 277910 333492 351240 360021 416865 444656 480028 555820 600035 666984 702480 720042 833730 960056 1111640 1139431 1200070 1333968 1440084 1667460 1800105 1920112 2223280 2278862 2400140 2880168 3334920 3418293 3600210 4557724 4800280 5697155 5760336 6669840 6836586 7200420 9115448 9600560 11394310 13673172 14400840 17091465 18230896 22788620 27346344 28801680 34182930 45577240 54692688 68365860 81344257 91154480 136731720 162688514 244032771 273463440 325377028 406721285 488065542 650754056 813442570 976131084 1220163855 1301508112 1626885140 1952262168 2440327710 3253770280 3335114537 3904524336 4880655420 6507540560 6670229074 9761310840 10005343611 13340458148 16675572685 19522621680 20010687222 26680916296 33351145370 40021374444 50026718055 53361832592 66702290740 80042748888 100053436110 133404581480 160085497776 200106872220 266809162960 400213744440 800427488880