Base | Representation |
---|---|
bin | 101111100011001011… |
… | …0110101000101110001 |
3 | 100202120100222012211212 |
4 | 1133012112311011301 |
5 | 3133111200334301 |
6 | 114524253045505 |
7 | 10243301465156 |
oct | 1370626650561 |
9 | 322510865755 |
10 | 102112121201 |
11 | 3a33a6a3012 |
12 | 17959186895 |
13 | 98242827bc |
14 | 4d2978422d |
15 | 29c98984bb |
hex | 17c65b5171 |
102112121201 has 8 divisors (see below), whose sum is σ = 103138636608. Its totient is φ = 101085910000.
The previous prime is 102112121129. The next prime is 102112121207. The reversal of 102112121201 is 102121211201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102112121201 is a prime.
It is a super-3 number, since 3×1021121212013 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102112121207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631556 + ... + 776586.
It is an arithmetic number, because the mean of its divisors is an integer number (12892329576).
Almost surely, 2102112121201 is an apocalyptic number.
It is an amenable number.
102112121201 is a deficient number, since it is larger than the sum of its proper divisors (1026515407).
102112121201 is a wasteful number, since it uses less digits than its factorization.
102112121201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152103.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 102112121201 its reverse (102121211201), we get a palindrome (204233332402).
The spelling of 102112121201 in words is "one hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred one".
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