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28055300025553 = 1719531638839887
BaseRepresentation
bin1100110000100001000100…
…01100010010110011010001
310200100001122002121021101121
412120100202030102303101
512134124223301304203
6135400232113402241
75623633326345343
oct630204214226321
9120301562537347
1028055300025553
118a37205511a29
12319137b269381
1312867ac9b2ab8
146cdc530ab293
15339bb1b0e0bd
hex198422312cd1

28055300025553 has 16 divisors (see below), whose sum is σ = 31859047422720. Its totient is φ = 24543266132736.

The previous prime is 28055300025551. The next prime is 28055300025563. The reversal of 28055300025553 is 35552000355082.

It is a cyclic number.

It is not a de Polignac number, because 28055300025553 - 21 = 28055300025551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28055300025551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819402825 + ... + 819437062.

It is an arithmetic number, because the mean of its divisors is an integer number (1991190463920).

Almost surely, 228055300025553 is an apocalyptic number.

It is an amenable number.

28055300025553 is a deficient number, since it is larger than the sum of its proper divisors (3803747397167).

28055300025553 is a wasteful number, since it uses less digits than its factorization.

28055300025553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638839976.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 28055300025553 in words is "twenty-eight trillion, fifty-five billion, three hundred million, twenty-five thousand, five hundred fifty-three".

Divisors: 1 17 19 53 323 901 1007 17119 1638839887 27860278079 31137957853 86858514011 529345283501 1476594738187 1650311766209 28055300025553