Base | Representation |
---|---|
bin | 1001100011111111010… |
… | …0000000000001101111 |
3 | 120201000220120211100100 |
4 | 2120333310000001233 |
5 | 10142421003302310 |
6 | 203245140402143 |
7 | 14603665315230 |
oct | 2307764000157 |
9 | 521026524310 |
10 | 164279353455 |
11 | 63741459808 |
12 | 27a089a6353 |
13 | 12650a0a629 |
14 | 7d45dc5087 |
15 | 44174e3ec0 |
hex | 263fd0006f |
164279353455 has 96 divisors (see below), whose sum is σ = 345146480640. Its totient is φ = 70656157440.
The previous prime is 164279353453. The next prime is 164279353487. The reversal of 164279353455 is 554353972461.
164279353455 is a `hidden beast` number, since 16 + 4 + 2 + 7 + 93 + 534 + 5 + 5 = 666.
It is not a de Polignac number, because 164279353455 - 21 = 164279353453 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164279353453) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 256086 + ... + 627804.
It is an arithmetic number, because the mean of its divisors is an integer number (3595275840).
Almost surely, 2164279353455 is an apocalyptic number.
164279353455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
164279353455 is an abundant number, since it is smaller than the sum of its proper divisors (180867127185).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
164279353455 is a wasteful number, since it uses less digits than its factorization.
164279353455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 371821 (or 371818 counting only the distinct ones).
The product of its digits is 13608000, while the sum is 54.
The spelling of 164279353455 in words is "one hundred sixty-four billion, two hundred seventy-nine million, three hundred fifty-three thousand, four hundred fifty-five".
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