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127127980322 = 272360172
BaseRepresentation
bin111011001100101101…
…0110000100100100010
3110011010202201112021122
41312121122300210202
54040324230332242
6134222441452242
712120231001100
oct1663132604442
9404122645248
10127127980322
1149a07481252
122077aaa1082
13bcacb7c6c5
14621dc98c70
153490b4ead2
hex1d996b0922

127127980322 has 18 divisors (see below), whose sum is σ = 221831512497. Its totient is φ = 54481907424.

The previous prime is 127127980303. The next prime is 127127980333. The reversal of 127127980322 is 223089721721.

It can be written as a sum of positive squares in 2 ways, for example, as 127084407121 + 43573201 = 356489^2 + 6601^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=252119.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 3511658 + ... + 3547674.

Almost surely, 2127127980322 is an apocalyptic number.

127127980322 is a deficient number, since it is larger than the sum of its proper divisors (94703532175).

127127980322 is an frugal number, since it uses more digits than its factorization.

127127980322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72050 (or 36026 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 127127980322 in words is "one hundred twenty-seven billion, one hundred twenty-seven million, nine hundred eighty thousand, three hundred twenty-two".

Divisors: 1 2 7 14 49 98 36017 72034 252119 504238 1764833 3529666 1297224289 2594448578 9080570023 18161140046 63563990161 127127980322