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14140531220 = 2253891817549
BaseRepresentation
bin11010010101101011…
…10110001000010100
31100111110220102011112
431022311312020110
5212424433444340
610255052354152
71010262350354
oct151265661024
940443812145
1014140531220
115aa6a63442
1228a7775958
131444773c4a
14982018b64
1557b642065
hex34ad76214

14140531220 has 24 divisors (see below), whose sum is σ = 29771469000. Its totient is φ = 5641668992.

The previous prime is 14140531219. The next prime is 14140531241. The reversal of 14140531220 is 2213504141.

It can be written as a sum of positive squares in 4 ways, for example, as 309830404 + 13830700816 = 17602^2 + 117604^2 .

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, 900995 + ... + 916554.

It is an arithmetic number, because the mean of its divisors is an integer number (1240477875).

Almost surely, 214140531220 is an apocalyptic number.

14140531220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14140531220 is an abundant number, since it is smaller than the sum of its proper divisors (15630937780).

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

14140531220 is a wasteful number, since it uses less digits than its factorization.

14140531220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817947 (or 1817945 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 14140531220 in words is "fourteen billion, one hundred forty million, five hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 1817549 3635098 7270196 9087745 18175490 36350980 707026561 1414053122 2828106244 3535132805 7070265610 14140531220