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2120113240 = 23577571833
BaseRepresentation
bin111111001011110…
…0101110001011000
312110202100220121121
41332113211301120
513320222110430
6550213215024
7103352444110
oct17627456130
95422326547
102120113240
11998826503
124b2031474
1327a31099b
14161804040
15c61dba7a
hex7e5e5c58

2120113240 has 32 divisors (see below), whose sum is σ = 5451720480. Its totient is φ = 726895872.

The previous prime is 2120113199. The next prime is 2120113253. The reversal of 2120113240 is 423110212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3785637 + ... + 3786196.

It is an arithmetic number, because the mean of its divisors is an integer number (170366265).

Almost surely, 22120113240 is an apocalyptic number.

2120113240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120113240 is an abundant number, since it is smaller than the sum of its proper divisors (3331607240).

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

2120113240 is a wasteful number, since it uses less digits than its factorization.

2120113240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571851 (or 7571847 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2120113240 is about 46044.6874242838. The cubic root of 2120113240 is about 1284.6545302123.

Adding to 2120113240 its reverse (423110212), we get a palindrome (2543223452).

The spelling of 2120113240 in words is "two billion, one hundred twenty million, one hundred thirteen thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 7571833 15143666 30287332 37859165 53002831 60574664 75718330 106005662 151436660 212011324 265014155 302873320 424022648 530028310 1060056620 2120113240