Base | Representation |
---|---|
bin | 11100000011010110… |
… | …100000010101000110 |
3 | 2212202011222110100011 |
4 | 130003112200111012 |
5 | 443141434033220 |
6 | 21500513340434 |
7 | 2114266203160 |
oct | 340326402506 |
9 | 85664873304 |
10 | 30121002310 |
11 | 1185757a943 |
12 | 5a0756771a |
13 | 2ac04802b9 |
14 | 165a545930 |
15 | bb457b65a |
hex | 7035a0546 |
30121002310 has 64 divisors (see below), whose sum is σ = 63046692864. Its totient is φ = 10147680000.
The previous prime is 30121002293. The next prime is 30121002323. The reversal of 30121002310 is 1320012103.
It is a super-2 number, since 2×301210023102 (a number of 22 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 31 ways as a sum of consecutive naturals, for example, 1373935 + ... + 1395685.
It is an arithmetic number, because the mean of its divisors is an integer number (985104576).
Almost surely, 230121002310 is an apocalyptic number.
30121002310 is an abundant number, since it is smaller than the sum of its proper divisors (32925690554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121002310 is a wasteful number, since it uses less digits than its factorization.
30121002310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22109.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 30121002310 its reverse (1320012103), we get a palindrome (31441014413).
The spelling of 30121002310 in words is "thirty billion, one hundred twenty-one million, two thousand, three hundred ten".
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