Base | Representation |
---|---|
bin | 110011011000011000… |
… | …110110110001010111 |
3 | 12021101220002111002200 |
4 | 303120120312301113 |
5 | 1400442010031012 |
6 | 41202244335543 |
7 | 3662110164621 |
oct | 633030666127 |
9 | 167356074080 |
10 | 55170002007 |
11 | 2144103408a |
12 | a8383a45b3 |
13 | 5282bb1803 |
14 | 2955205c11 |
15 | 167d6cc3dc |
hex | cd8636c57 |
55170002007 has 12 divisors (see below), whose sum is σ = 80585397360. Its totient is φ = 36366742368.
The previous prime is 55170001993. The next prime is 55170002011. The reversal of 55170002007 is 70020007155.
It is not a de Polignac number, because 55170002007 - 219 = 55169477719 is a prime.
It is a super-5 number, since 5×551700020075 (a number of 55 digits) contains 55555 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55170002207) 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 11 ways as a sum of consecutive naturals, for example, 34437403 + ... + 34439004.
It is an arithmetic number, because the mean of its divisors is an integer number (6715449780).
Almost surely, 255170002007 is an apocalyptic number.
55170002007 is a deficient number, since it is larger than the sum of its proper divisors (25415395353).
55170002007 is a wasteful number, since it uses less digits than its factorization.
55170002007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68876502 (or 68876499 counting only the distinct ones).
The product of its (nonzero) digits is 2450, while the sum is 27.
The spelling of 55170002007 in words is "fifty-five billion, one hundred seventy million, two thousand, seven".
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