Search a number
-
+
2100416940 = 2233519204719
BaseRepresentation
bin111110100110001…
…1101000110101100
312102101022020101000
41331030131012230
513300201320230
6544231120300
7103023151356
oct17514350654
95371266330
102100416940
119886a3376
124a7513090
1327620587b
1415cd580d6
15c45eab60
hex7d31d1ac

2100416940 has 96 divisors (see below), whose sum is σ = 6878592000. Its totient is φ = 530629056.

The previous prime is 2100416939. The next prime is 2100416947. The reversal of 2100416940 is 496140012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2100416947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92100 + ... + 112619.

It is an arithmetic number, because the mean of its divisors is an integer number (71652000).

Almost surely, 22100416940 is an apocalyptic number.

2100416940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100416940 is an abundant number, since it is smaller than the sum of its proper divisors (4778175060).

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

2100416940 is a wasteful number, since it uses less digits than its factorization.

2100416940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204756 (or 204748 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2100416940 is about 45830.3059121363. The cubic root of 2100416940 is about 1280.6639093280.

Adding to 2100416940 its reverse (496140012), we get a palindrome (2596556952).

The spelling of 2100416940 in words is "two billion, one hundred million, four hundred sixteen thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 76 90 95 108 114 135 171 180 190 228 270 285 342 380 513 540 570 684 855 1026 1140 1710 2052 2565 3420 5130 10260 204719 409438 614157 818876 1023595 1228314 1842471 2047190 2456628 3070785 3684942 3889661 4094380 5527413 6141570 7369884 7779322 9212355 11054826 11668983 12283140 15558644 18424710 19448305 22109652 23337966 27637065 35006949 36849420 38896610 46675932 55274130 58344915 70013898 77793220 105020847 110548260 116689830 140027796 175034745 210041694 233379660 350069490 420083388 525104235 700138980 1050208470 2100416940