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27555280275055 = 5131798923565923
BaseRepresentation
bin1100100001111101101101…
…01100010100011001101111
310121120020222212020010120011
412100332312230110121233
512102431203222300210
6134334415423034051
75542542350526241
oct620766654243157
9117506885203504
1027555280275055
118864146394705
12311049373b927
13124b5b473b350
146b397b3c6091
1532bb993c8d8a
hex190fb6b1466f

27555280275055 has 16 divisors (see below), whose sum is σ = 35611881711840. Its totient is φ = 20347382636928.

The previous prime is 27555280275043. The next prime is 27555280275067. The reversal of 27555280275055 is 55057208255572.

It is an interprime number because it is at equal distance from previous prime (27555280275043) and next prime (27555280275067).

It is a cyclic number.

It is not a de Polignac number, because 27555280275055 - 25 = 27555280275023 is a prime.

It is a congruent number.

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, 10613677 + ... + 12952246.

It is an arithmetic number, because the mean of its divisors is an integer number (2225742606990).

Almost surely, 227555280275055 is an apocalyptic number.

27555280275055 is a deficient number, since it is larger than the sum of its proper divisors (8056601436785).

27555280275055 is a wasteful number, since it uses less digits than its factorization.

27555280275055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23583930.

The product of its (nonzero) digits is 49000000, while the sum is 58.

The spelling of 27555280275055 in words is "twenty-seven trillion, five hundred fifty-five billion, two hundred eighty million, two hundred seventy-five thousand, fifty-five".

Divisors: 1 5 13 65 17989 89945 233857 1169285 23565923 117829615 306356999 1531784995 423927388847 2119636944235 5511056055011 27555280275055