Base | Representation |
---|---|
bin | 10000111101011010… |
… | …000001011101101110 |
3 | 1202000002111222112222 |
4 | 100331122001131232 |
5 | 244243241213402 |
6 | 12210545355342 |
7 | 1213156206524 |
oct | 207532013556 |
9 | 52002458488 |
10 | 18210101102 |
11 | 77a5144536 |
12 | 3642638b52 |
13 | 194291346b |
14 | c4a6bc314 |
15 | 718a5a7a2 |
hex | 43d68176e |
18210101102 has 8 divisors (see below), whose sum is σ = 27514532736. Its totient is φ = 9038590192.
The previous prime is 18210101099. The next prime is 18210101149. The reversal of 18210101102 is 20110101281.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×182101011022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33229838 + ... + 33230385.
It is an arithmetic number, because the mean of its divisors is an integer number (3439316592).
Almost surely, 218210101102 is an apocalyptic number.
18210101102 is a deficient number, since it is larger than the sum of its proper divisors (9304431634).
18210101102 is a wasteful number, since it uses less digits than its factorization.
18210101102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66460362.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 18210101102 its reverse (20110101281), we get a palindrome (38320202383).
The spelling of 18210101102 in words is "eighteen billion, two hundred ten million, one hundred one thousand, one hundred two".
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