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123053507105 = 553657170667
BaseRepresentation
bin111001010011010001…
…1111000001000100001
3102202121210212211210012
41302212203320020201
54004003144211410
6132310251414305
711614244360324
oct1624643701041
9382553784705
10123053507105
1148206551211
121ba22454395
13b7b09b43c9
145d54aba7bb
1533030b8605
hex1ca68f8221

123053507105 has 16 divisors (see below), whose sum is σ = 150475351104. Its totient is φ = 96569328960.

The previous prime is 123053507089. The next prime is 123053507111. The reversal of 123053507105 is 501705350321.

It is not a de Polignac number, because 123053507105 - 24 = 123053507089 is a prime.

It is a super-2 number, since 2×1230535071052 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705982 + ... + 1776648.

It is an arithmetic number, because the mean of its divisors is an integer number (9404709444).

Almost surely, 2123053507105 is an apocalyptic number.

It is an amenable number.

123053507105 is a deficient number, since it is larger than the sum of its proper divisors (27421843999).

123053507105 is an equidigital number, since it uses as much as digits as its factorization.

123053507105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77296.

The product of its (nonzero) digits is 15750, while the sum is 32.

Adding to 123053507105 its reverse (501705350321), we get a palindrome (624758857426).

The spelling of 123053507105 in words is "one hundred twenty-three billion, fifty-three million, five hundred seven thousand, one hundred five".

Divisors: 1 5 53 265 6571 32855 70667 348263 353335 1741315 3745351 18726755 464352857 2321764285 24610701421 123053507105