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10532431540 = 2251493534373
BaseRepresentation
bin10011100111100100…
…00010011010110100
31000012000121221220001
421303302002122310
5133032300302130
64501042321044
7522001122331
oct116362023264
930160557801
1010532431540
114515312784
12205b359184
13cbb0b9217
1471cb5b988
154199d06ca
hex273c826b4

10532431540 has 24 divisors (see below), whose sum is σ = 22266556200. Its totient is φ = 4184696448.

The previous prime is 10532431537. The next prime is 10532431573. The reversal of 10532431540 is 4513423501.

It can be written as a sum of positive squares in 4 ways, for example, as 1674610084 + 8857821456 = 40922^2 + 94116^2 .

It is a super-2 number, since 2×105324315402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10532431499 and 10532431508.

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, 1764207 + ... + 1770166.

It is an arithmetic number, because the mean of its divisors is an integer number (927773175).

Almost surely, 210532431540 is an apocalyptic number.

10532431540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10532431540 is an abundant number, since it is smaller than the sum of its proper divisors (11734124660).

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

10532431540 is a wasteful number, since it uses less digits than its factorization.

10532431540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534531 (or 3534529 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 10532431540 in words is "ten billion, five hundred thirty-two million, four hundred thirty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 3534373 7068746 14137492 17671865 35343730 70687460 526621577 1053243154 2106486308 2633107885 5266215770 10532431540