Search a number
-
+
7055805488640 = 29352339944551
BaseRepresentation
bin110011010101100111011…
…0001111001111000000000
3220222112021012211112020220
41212223032301321320000
51411100242201114030
623001220422503040
71325523303043626
oct146531661717000
926875235745226
107055805488640
112280394287997
1295b566b94a80
133c248a07c11c
141a57079c1516
15c380eaa8a10
hex66acec79e00

7055805488640 has 160 divisors (see below), whose sum is σ = 23537247376896. Its totient is φ = 1799741644800.

The previous prime is 7055805488561. The next prime is 7055805488653. The reversal of 7055805488640 is 468845085507.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19795636 + ... + 20148915.

Almost surely, 27055805488640 is an apocalyptic number.

It is an amenable number.

7055805488640 is an abundant number, since it is smaller than the sum of its proper divisors (16481441888256).

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

7055805488640 is a wasteful number, since it uses less digits than its factorization.

7055805488640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39944600 (or 39944584 counting only the distinct ones).

The product of its (nonzero) digits is 43008000, while the sum is 60.

The spelling of 7055805488640 in words is "seven trillion, fifty-five billion, eight hundred five million, four hundred eighty-eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 128 138 160 184 192 230 240 256 276 320 345 368 384 460 480 512 552 640 690 736 768 920 960 1104 1280 1380 1472 1536 1840 1920 2208 2560 2760 2944 3680 3840 4416 5520 5888 7360 7680 8832 11040 11776 14720 17664 22080 29440 35328 44160 58880 88320 176640 39944551 79889102 119833653 159778204 199722755 239667306 319556408 399445510 479334612 599168265 639112816 798891020 918724673 958669224 1198336530 1278225632 1597782040 1837449346 1917338448 2396673060 2556451264 2756174019 3195564080 3674898692 3834676896 4593623365 4793346120 5112902528 5512348038 6391128160 7349797384 7669353792 9187246730 9586692240 10225805056 11024696076 12782256320 13780870095 14699594768 15338707584 18374493460 19173384480 20451610112 22049392152 25564512640 27561740190 29399189536 30677415168 36748986920 38346768960 44098784304 51129025280 55123480380 58798379072 61354830336 73497973840 76693537920 88197568608 102258050560 110246960760 117596758144 146995947680 153387075840 176395137216 220493921520 235193516288 293991895360 306774151680 352790274432 440987843040 470387032576 587983790720 705580548864 881975686080 1175967581440 1411161097728 1763951372160 2351935162880 3527902744320 7055805488640