Base | Representation |
---|---|
bin | 100101000101011101000011… |
… | …011000110111001100110100 |
3 | 210101111110002121111122121101 |
4 | 211011131003120313030310 |
5 | 132334232421444003003 |
6 | 1334520132124055444 |
7 | 46232524223221420 |
oct | 4505350330671464 |
9 | 711443077448541 |
10 | 163102513656628 |
11 | 47a73429981527 |
12 | 16362439994584 |
13 | 7001668a35240 |
14 | 2c3c2bd269b80 |
15 | 13cca0d82811d |
hex | 945743637334 |
163102513656628 has 96 divisors (see below), whose sum is σ = 353278348819200. Its totient is φ = 64160319614976.
The previous prime is 163102513656581. The next prime is 163102513656659. The reversal of 163102513656628 is 826656315201361.
It is a super-2 number, since 2×1631025136566282 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1568709028 + ... + 1568812996.
It is an arithmetic number, because the mean of its divisors is an integer number (3679982800200).
Almost surely, 2163102513656628 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 163102513656628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176639174409600).
163102513656628 is an abundant number, since it is smaller than the sum of its proper divisors (190175835162572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163102513656628 is a wasteful number, since it uses less digits than its factorization.
163102513656628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128249 (or 128247 counting only the distinct ones).
The product of its (nonzero) digits is 9331200, while the sum is 55.
Adding to 163102513656628 its reverse (826656315201361), we get a palindrome (989758828857989).
The spelling of 163102513656628 in words is "one hundred sixty-three trillion, one hundred two billion, five hundred thirteen million, six hundred fifty-six thousand, six hundred twenty-eight".
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