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25552805255 = 543251473507
BaseRepresentation
bin10111110011000100…
…001101110110000111
32102221211010000001122
4113303010031312013
5404313004232010
615423325144155
71563136155335
oct276304156607
972854100048
1025552805255
11a92298a87a
124b516bb05b
132542c19813
141345966b55
159e84bb855
hex5f310dd87

25552805255 has 16 divisors (see below), whose sum is σ = 31501540224. Its totient is φ = 19887252000.

The previous prime is 25552805237. The next prime is 25552805263. The reversal of 25552805255 is 55250825552.

It is a happy number.

It is not a de Polignac number, because 25552805255 - 210 = 25552804231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 182789 + ... + 290718.

It is an arithmetic number, because the mean of its divisors is an integer number (1968846264).

Almost surely, 225552805255 is an apocalyptic number.

25552805255 is a deficient number, since it is larger than the sum of its proper divisors (5948734969).

25552805255 is a wasteful number, since it uses less digits than its factorization.

25552805255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473806.

The product of its (nonzero) digits is 1000000, while the sum is 44.

The spelling of 25552805255 in words is "twenty-five billion, five hundred fifty-two million, eight hundred five thousand, two hundred fifty-five".

Divisors: 1 5 43 215 251 1255 10793 53965 473507 2367535 20360801 101804005 118850257 594251285 5110561051 25552805255