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55020623015013 = 310110312311432147
BaseRepresentation
bin11001000001010011111001…
…01100001010110001100101
321012210220211211010002201220
430200221330230022301211
524202424213442440023
6313004043020410553
714406052221053415
oct1440517454126145
9235726754102656
1055020623015013
111659312a342007
1262074473a6a59
1324915652882b6
14d83025cd0645
1565632cb643e3
hex320a7cb0ac65

55020623015013 has 32 divisors (see below), whose sum is σ = 74867289649152. Its totient is φ = 35935407432000.

The previous prime is 55020623014979. The next prime is 55020623015119. The reversal of 55020623015013 is 31051032602055.

It is a happy number.

It is not a de Polignac number, because 55020623015013 - 216 = 55020622949477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020623016013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37702206 + ... + 39134352.

It is an arithmetic number, because the mean of its divisors is an integer number (2339602801536).

Almost surely, 255020623015013 is an apocalyptic number.

It is an amenable number.

55020623015013 is a deficient number, since it is larger than the sum of its proper divisors (19846666634139).

55020623015013 is a wasteful number, since it uses less digits than its factorization.

55020623015013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433585.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 55020623015013 its reverse (31051032602055), we get a palindrome (86071655617068).

The spelling of 55020623015013 in words is "fifty-five trillion, twenty billion, six hundred twenty-three million, fifteen thousand, thirteen".

Divisors: 1 3 101 103 303 309 1231 3693 10403 31209 124331 126793 372993 380379 1432147 4296441 12806093 38418279 144646847 147511141 433940541 442533423 1762972957 5288918871 14898625241 44695875723 178060268657 181586214571 534180805971 544758643713 18340207671671 55020623015013