Search a number
-
+
190005621080 = 2351117231104427
BaseRepresentation
bin1011000011110100110…
…1111011000101011000
3200011102211002122001012
42300331031323011120
511103112414333310
6223142023513052
716504342063022
oct2607515730530
9604384078035
10190005621080
1173643246410
12309a85b8788
1314bc084c3b2
1492a69c3012
154e20d26c05
hex2c3d37b158

190005621080 has 128 divisors (see below), whose sum is σ = 515281927680. Its totient is φ = 62201272320.

The previous prime is 190005621077. The next prime is 190005621119. The reversal of 190005621080 is 80126500091.

It is a super-2 number, since 2×1900056210802 (a number of 23 digits) contains 22 as substring.

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, 380174 + ... + 724253.

It is an arithmetic number, because the mean of its divisors is an integer number (4025640060).

Almost surely, 2190005621080 is an apocalyptic number.

190005621080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190005621080 is an abundant number, since it is smaller than the sum of its proper divisors (325276306600).

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

190005621080 is a wasteful number, since it uses less digits than its factorization.

190005621080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104489 (or 1104485 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 190005621080 in words is "one hundred ninety billion, five million, six hundred twenty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 11 17 20 22 23 34 40 44 46 55 68 85 88 92 110 115 136 170 184 187 220 230 253 340 374 391 440 460 506 680 748 782 920 935 1012 1265 1496 1564 1870 1955 2024 2530 3128 3740 3910 4301 5060 7480 7820 8602 10120 15640 17204 21505 34408 43010 86020 172040 1104427 2208854 4417708 5522135 8835416 11044270 12148697 18775259 22088540 24297394 25401821 37550518 44177080 48594788 50803642 60743485 75101036 93876295 97189576 101607284 121486970 127009105 150202072 187752590 203214568 206527849 242973940 254018210 279420031 375505180 413055698 431830957 485947880 508036420 558840062 751010360 826111396 863661914 1016072840 1032639245 1117680124 1397100155 1652222792 1727323828 2065278490 2159154785 2235360248 2794200310 3454647656 4130556980 4318309570 4750140527 5588400620 8261113960 8636619140 9500281054 11176801240 17273238280 19000562108 23750702635 38001124216 47501405270 95002810540 190005621080