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55228989610 = 2531178158031
BaseRepresentation
bin110011011011111001…
…111000000010101010
312021120000002100212201
4303123321320002222
51401102110131420
641212152530414
73663424444264
oct633371700252
9167500070781
1055228989610
1121471363373
12a8540b0a0a
135292195a12
14295cd9cb34
15168398010a
hexcdbe780aa

55228989610 has 16 divisors (see below), whose sum is σ = 102619026432. Its totient is φ = 21378963600.

The previous prime is 55228989577. The next prime is 55228989617. The reversal of 55228989610 is 1698982255.

It is not an unprimeable number, because it can be changed into a prime (55228989617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89078706 + ... + 89079325.

It is an arithmetic number, because the mean of its divisors is an integer number (6413689152).

Almost surely, 255228989610 is an apocalyptic number.

55228989610 is a deficient number, since it is larger than the sum of its proper divisors (47390036822).

55228989610 is a wasteful number, since it uses less digits than its factorization.

55228989610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178158069.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 55228989610 in words is "fifty-five billion, two hundred twenty-eight million, nine hundred eighty-nine thousand, six hundred ten".

Divisors: 1 2 5 10 31 62 155 310 178158031 356316062 890790155 1781580310 5522898961 11045797922 27614494805 55228989610