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2122442040 = 233517687017
BaseRepresentation
bin111111010000001…
…1110010100111000
312110220202020010110
41332200132110320
513321321121130
6550335144320
7103411313445
oct17640362470
95426666113
102122442040
1199a077134
124b29750a0
1327a947984
14161c4c9cc
15c64ebab0
hex7e81e538

2122442040 has 32 divisors (see below), whose sum is σ = 6367326480. Its totient is φ = 565984512.

The previous prime is 2122442033. The next prime is 2122442041. The reversal of 2122442040 is 402442212.

2122442040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2122441998 and 2122442016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122442041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8843389 + ... + 8843628.

Almost surely, 22122442040 is an apocalyptic number.

2122442040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122442040 is an abundant number, since it is smaller than the sum of its proper divisors (4244884440).

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

2122442040 is a wasteful number, since it uses less digits than its factorization.

2122442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17687031 (or 17687027 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2122442040 is about 46069.9689602674. The cubic root of 2122442040 is about 1285.1247265973.

Adding to 2122442040 its reverse (402442212), we get a palindrome (2524884252).

The spelling of 2122442040 in words is "two billion, one hundred twenty-two million, four hundred forty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 17687017 35374034 53061051 70748068 88435085 106122102 141496136 176870170 212244204 265305255 353740340 424488408 530610510 707480680 1061221020 2122442040