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2123331040 = 25513270819
BaseRepresentation
bin111111010001111…
…0111010111100000
312110222102101121101
41332203313113200
513322033043130
6550410204144
7103422005335
oct17643672740
95428371541
102123331040
1199a624046
124b3123654
1327ab994cc
1416200098c
15c66251ca
hex7e8f75e0

2123331040 has 24 divisors (see below), whose sum is σ = 5016369960. Its totient is φ = 849332352.

The previous prime is 2123331031. The next prime is 2123331047. The reversal of 2123331040 is 401333212.

It is a junction number, because it is equal to n+sod(n) for n = 2123330999 and 2123331017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123331047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6635250 + ... + 6635569.

It is an arithmetic number, because the mean of its divisors is an integer number (209015415).

Almost surely, 22123331040 is an apocalyptic number.

2123331040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123331040 is an abundant number, since it is smaller than the sum of its proper divisors (2893038920).

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

2123331040 is a wasteful number, since it uses less digits than its factorization.

2123331040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13270834 (or 13270826 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123331040 is about 46079.6163178471. The cubic root of 2123331040 is about 1285.3041294402.

Adding to 2123331040 its reverse (401333212), we get a palindrome (2524664252).

The spelling of 2123331040 in words is "two billion, one hundred twenty-three million, three hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 13270819 26541638 53083276 66354095 106166552 132708190 212333104 265416380 424666208 530832760 1061665520 2123331040