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29755564419977 = 1121109221743693
BaseRepresentation
bin1101100010000000000011…
…10110001110101110001001
310220100121022110000201120122
412301000001312032232021
512400003343442414402
6143141303444233025
76160524424264214
oct661000166165611
9126317273021518
1029755564419977
11953229a430a00
1234069b239b775
13137ac2612aa76
1474c2699a077b
15369025756ca2
hex1b1001d8eb89

29755564419977 has 12 divisors (see below), whose sum is σ = 32736021545220. Its totient is φ = 27026121180960.

The previous prime is 29755564419907. The next prime is 29755564420007. The reversal of 29755564419977 is 77991446555792.

It can be written as a sum of positive squares in 2 ways, for example, as 4588245396361 + 25167319023616 = 2142019^2 + 5016704^2 .

It is not a de Polignac number, because 29755564419977 - 216 = 29755564354441 is a prime.

It is a super-2 number, since 2×297555644199772 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29755564419907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110737658 + ... + 111006035.

It is an arithmetic number, because the mean of its divisors is an integer number (2728001795435).

Almost surely, 229755564419977 is an apocalyptic number.

It is an amenable number.

29755564419977 is a deficient number, since it is larger than the sum of its proper divisors (2980457125243).

29755564419977 is a wasteful number, since it uses less digits than its factorization.

29755564419977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221744824 (or 221744813 counting only the distinct ones).

The product of its digits is 6001128000, while the sum is 80.

The spelling of 29755564419977 in words is "twenty-nine trillion, seven hundred fifty-five billion, five hundred sixty-four million, four hundred nineteen thousand, nine hundred seventy-seven".

Divisors: 1 11 121 1109 12199 134189 221743693 2439180623 26830986853 245913755537 2705051310907 29755564419977