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20310534422055 = 3251124340144553
BaseRepresentation
bin1001001111000111010100…
…01100000111111000100111
32122220200001001202121202200
410213203222030013320213
510130231433303001210
6111110310344305543
74164246656040063
oct447435214077047
978820031677680
1020310534422055
116520716206569
122340398a722b3
13b44376747877
1450306c4b8aa3
152534cc2ba0c0
hex1278ea307e27

20310534422055 has 24 divisors (see below), whose sum is σ = 35208058483728. Its totient is φ = 10831321286016.

The previous prime is 20310534422053. The next prime is 20310534422089. The reversal of 20310534422055 is 55022443501302.

20310534422055 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 0 + 5 + 3 + 442 + 205 + 5 = 666.

It is not a de Polignac number, because 20310534422055 - 21 = 20310534422053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310534422051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19566342 + ... + 20578211.

It is an arithmetic number, because the mean of its divisors is an integer number (1467002436822).

Almost surely, 220310534422055 is an apocalyptic number.

20310534422055 is a deficient number, since it is larger than the sum of its proper divisors (14897524061673).

20310534422055 is a wasteful number, since it uses less digits than its factorization.

20310534422055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40155807 (or 40155804 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 20310534422055 its reverse (55022443501302), we get a palindrome (75332977923357).

The spelling of 20310534422055 in words is "twenty trillion, three hundred ten billion, five hundred thirty-four million, four hundred twenty-two thousand, fifty-five".

Divisors: 1 3 5 9 15 45 11243 33729 56215 101187 168645 505935 40144553 120433659 200722765 361300977 602168295 1806504885 451345209379 1354035628137 2256726046895 4062106884411 6770178140685 20310534422055