Base | Representation |
---|---|
bin | 101111100100101000… |
… | …1101101111001001110 |
3 | 100202200210011020111010 |
4 | 1133021101231321032 |
5 | 3133211221101104 |
6 | 114533203110050 |
7 | 10244435062326 |
oct | 1371121557116 |
9 | 322623136433 |
10 | 102161112654 |
11 | 3a365315017 |
12 | 17971672326 |
13 | 9831476b23 |
14 | 4d32098286 |
15 | 29cdd24489 |
hex | 17c946de4e |
102161112654 has 32 divisors (see below), whose sum is σ = 215268842880. Its totient is φ = 32232481632.
The previous prime is 102161112619. The next prime is 102161112701. The reversal of 102161112654 is 456211161201.
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, 273804 + ... + 528479.
It is an arithmetic number, because the mean of its divisors is an integer number (6727151340).
Almost surely, 2102161112654 is an apocalyptic number.
102161112654 is an abundant number, since it is smaller than the sum of its proper divisors (113107730226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102161112654 is a wasteful number, since it uses less digits than its factorization.
102161112654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 803424.
The product of its (nonzero) digits is 2880, while the sum is 30.
Adding to 102161112654 its reverse (456211161201), we get a palindrome (558372273855).
The spelling of 102161112654 in words is "one hundred two billion, one hundred sixty-one million, one hundred twelve thousand, six hundred fifty-four".
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