Base | Representation |
---|---|
bin | 101111001000101000… |
… | …0101111000101111101 |
3 | 100200021021210101212020 |
4 | 1132101100233011331 |
5 | 3124300130100300 |
6 | 114300032230353 |
7 | 10212234056142 |
oct | 1362120570575 |
9 | 320237711766 |
10 | 101221331325 |
11 | 39a22891434 |
12 | 1774a99b3b9 |
13 | 97118622ba |
14 | 4c833443c9 |
15 | 297658a8a0 |
hex | 179142f17d |
101221331325 has 24 divisors (see below), whose sum is σ = 169470998400. Its totient is φ = 53301356160.
The previous prime is 101221331287. The next prime is 101221331377. The reversal of 101221331325 is 523133122101.
It is a happy number.
It is not a de Polignac number, because 101221331325 - 26 = 101221331261 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 101221331295 and 101221331304.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8535960 + ... + 8547809.
It is an arithmetic number, because the mean of its divisors is an integer number (7061291600).
Almost surely, 2101221331325 is an apocalyptic number.
101221331325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
101221331325 is a deficient number, since it is larger than the sum of its proper divisors (68249667075).
101221331325 is a wasteful number, since it uses less digits than its factorization.
101221331325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17083861 (or 17083856 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 24.
Adding to 101221331325 its reverse (523133122101), we get a palindrome (624354453426).
The spelling of 101221331325 in words is "one hundred one billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty-five".
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