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10549996820 = 2251147954531
BaseRepresentation
bin10011101001101010…
…00010110100010100
31000020020200100220222
421310311002310110
5133101244344240
64502511013512
7522303331136
oct116465026424
930206610828
1010549996820
11452421a840
12206520a298
13cc192938c
14721211056
1541b2eeeb5
hex274d42d14

10549996820 has 24 divisors (see below), whose sum is σ = 24169084128. Its totient is φ = 3836362400.

The previous prime is 10549996817. The next prime is 10549996859. The reversal of 10549996820 is 2869994501.

It is a super-2 number, since 2×105499968202 (a number of 21 digits) contains 22 as substring.

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, 23977046 + ... + 23977485.

It is an arithmetic number, because the mean of its divisors is an integer number (1007045172).

Almost surely, 210549996820 is an apocalyptic number.

10549996820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10549996820 is an abundant number, since it is smaller than the sum of its proper divisors (13619087308).

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

10549996820 is a wasteful number, since it uses less digits than its factorization.

10549996820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47954551 (or 47954549 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 10549996820 in words is "ten billion, five hundred forty-nine million, nine hundred ninety-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 47954531 95909062 191818124 239772655 479545310 527499841 959090620 1054999682 2109999364 2637499205 5274998410 10549996820