Base | Representation |
---|---|
bin | 101111011111110101… |
… | …1001111010100011010 |
3 | 100202021120001110000000 |
4 | 1132333223033110122 |
5 | 3132344001443002 |
6 | 114505210353430 |
7 | 10240440646452 |
oct | 1367753172432 |
9 | 322246043000 |
10 | 102000031002 |
11 | 3a2923a3a91 |
12 | 1792772b876 |
13 | 9806c97c3c |
14 | 4d18926d62 |
15 | 29beb0661c |
hex | 17bfacf51a |
102000031002 has 32 divisors (see below), whose sum is σ = 229465100160. Its totient is φ = 34000008876.
The previous prime is 102000030973. The next prime is 102000031033. The reversal of 102000031002 is 200130000201.
It is a happy number.
It is a super-2 number, since 2×1020000310022 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
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, 11655438 + ... + 11664185.
It is an arithmetic number, because the mean of its divisors is an integer number (7170784380).
Almost surely, 2102000031002 is an apocalyptic number.
102000031002 is an abundant number, since it is smaller than the sum of its proper divisors (127465069158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102000031002 is an frugal number, since it uses more digits than its factorization.
102000031002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23319646 (or 23319628 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
Adding to 102000031002 its reverse (200130000201), we get a palindrome (302130031203).
The spelling of 102000031002 in words is "one hundred two billion, thirty-one thousand, two".
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