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10522212140 = 2251147828237
BaseRepresentation
bin10011100110010110…
…00011011100101100
31000011022101202111202
421303023003130230
5133022141242030
64500035305032
7521515220216
oct116313033454
930138352452
1010522212140
11450a5727a0
122057a4b178
13cb8c4b83b
1471b65b5b6
15418b62745
hex2732c372c

10522212140 has 24 divisors (see below), whose sum is σ = 24105431952. Its totient is φ = 3826258880.

The previous prime is 10522212133. The next prime is 10522212143. The reversal of 10522212140 is 4121222501.

10522212140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105222121402 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10522212143) 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 7 ways as a sum of consecutive naturals, for example, 23913899 + ... + 23914338.

It is an arithmetic number, because the mean of its divisors is an integer number (1004392998).

Almost surely, 210522212140 is an apocalyptic number.

10522212140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10522212140 is an abundant number, since it is smaller than the sum of its proper divisors (13583219812).

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

10522212140 is a wasteful number, since it uses less digits than its factorization.

10522212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47828257 (or 47828255 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10522212140 its reverse (4121222501), we get a palindrome (14643434641).

The spelling of 10522212140 in words is "ten billion, five hundred twenty-two million, two hundred twelve thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 47828237 95656474 191312948 239141185 478282370 526110607 956564740 1052221214 2104442428 2630553035 5261106070 10522212140