Base | Representation |
---|---|
bin | 1001100000111000011… |
… | …0101110011101111110 |
3 | 120121212210100200021210 |
4 | 2120032012232131332 |
5 | 10134214010321340 |
6 | 203030310105250 |
7 | 14544220663311 |
oct | 2301606563576 |
9 | 517783320253 |
10 | 163445401470 |
11 | 6335373929a |
12 | 2781564b226 |
13 | 12549ccaa10 |
14 | 7ca733c978 |
15 | 43b91b2180 |
hex | 260e1ae77e |
163445401470 has 32 divisors (see below), whose sum is σ = 422443500192. Its totient is φ = 40232714112.
The previous prime is 163445401459. The next prime is 163445401489. The reversal of 163445401470 is 74104544361.
163445401470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (39).
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, 209544997 + ... + 209545776.
It is an arithmetic number, because the mean of its divisors is an integer number (13201359381).
Almost surely, 2163445401470 is an apocalyptic number.
163445401470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
163445401470 is an abundant number, since it is smaller than the sum of its proper divisors (258998098722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163445401470 is a wasteful number, since it uses less digits than its factorization.
163445401470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 419090796.
The product of its (nonzero) digits is 161280, while the sum is 39.
The spelling of 163445401470 in words is "one hundred sixty-three billion, four hundred forty-five million, four hundred one thousand, four hundred seventy".
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