Search a number
-
+
2030011620 = 2235713371797
BaseRepresentation
bin111100011111111…
…1000010011100100
312020110211021102120
41320333320103210
513124140332440
6533234105540
7101206546140
oct17077702344
95213737376
102030011620
1195198585a
12487a1b2b0
13264754710
1415386c220
15bd33edd0
hex78ff84e4

2030011620 has 96 divisors (see below), whose sum is σ = 6995751168. Its totient is φ = 428308992.

The previous prime is 2030011601. The next prime is 2030011637. The reversal of 2030011620 is 261100302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2030011620.

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, 180439 + ... + 191358.

It is an arithmetic number, because the mean of its divisors is an integer number (72872408).

Almost surely, 22030011620 is an apocalyptic number.

2030011620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030011620 is an abundant number, since it is smaller than the sum of its proper divisors (4965739548).

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

2030011620 is a wasteful number, since it uses less digits than its factorization.

2030011620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371829 (or 371827 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2030011620 is about 45055.6502561000. The cubic root of 2030011620 is about 1266.1918329484.

Adding to 2030011620 its reverse (261100302), we get a palindrome (2291111922).

The spelling of 2030011620 in words is "two billion, thirty million, eleven thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 371797 743594 1115391 1487188 1858985 2230782 2602579 3717970 4461564 4833361 5205158 5576955 7435940 7807737 9666722 10410316 11153910 13012895 14500083 15615474 19333444 22307820 24166805 26025790 29000166 31230948 33833527 39038685 48333610 52051580 58000332 67667054 72500415 78077370 96667220 101500581 135334108 145000830 156154740 169167635 203001162 290001660 338335270 406002324 507502905 676670540 1015005810 2030011620