Search a number
-
+
27375791940 = 223557804697
BaseRepresentation
bin11001011111101110…
…010110111101000100
32121122212101022200000
4121133232112331010
5422031200320230
620324250121300
71656253251330
oct313756267504
977585338600
1027375791940
1110678a14742
125380120230
1327737c7573
141479b047c0
15aa3565b60
hex65fb96f44

27375791940 has 144 divisors (see below), whose sum is σ = 98417784192. Its totient is φ = 6257316096.

The previous prime is 27375791921. The next prime is 27375791957. The reversal of 27375791940 is 4919757372.

27375791940 is a `hidden beast` number, since 27 + 3 + 7 + 579 + 1 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 368329 + ... + 436368.

Almost surely, 227375791940 is an apocalyptic number.

27375791940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27375791940 is an abundant number, since it is smaller than the sum of its proper divisors (71041992252).

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

27375791940 is a wasteful number, since it uses less digits than its factorization.

27375791940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804728 (or 804714 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The spelling of 27375791940 in words is "twenty-seven billion, three hundred seventy-five million, seven hundred ninety-one thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 405 420 486 540 567 630 756 810 945 972 1134 1215 1260 1620 1701 1890 2268 2430 2835 3402 3780 4860 5670 6804 8505 11340 17010 34020 804697 1609394 2414091 3218788 4023485 4828182 5632879 7242273 8046970 9656364 11265758 12070455 14484546 16093940 16898637 21726819 22531516 24140910 28164395 28969092 33797274 36211365 43453638 48281820 50695911 56328790 65180457 67594548 72422730 84493185 86907276 101391822 108634095 112657580 130360914 144845460 152087733 168986370 195541371 202783644 217268190 253479555 260721828 304175466 325902285 337972740 391082742 434536380 456263199 506959110 608350932 651804570 760438665 782165484 912526398 977706855 1013918220 1303609140 1368789597 1520877330 1825052796 1955413710 2281315995 2737579194 3041754660 3910827420 4562631990 5475158388 6843947985 9125263980 13687895970 27375791940