Base | Representation |
---|---|
bin | 11110110110001010… |
… | …101000110100100110 |
3 | 10011111021000210101022 |
4 | 132312022220310212 |
5 | 1020312434404110 |
6 | 23114322131142 |
7 | 2251524652130 |
oct | 366612506446 |
9 | 104437023338 |
10 | 33121013030 |
11 | 13056a48346 |
12 | 65041b0ab2 |
13 | 317ab69681 |
14 | 1862b52050 |
15 | cdcb23755 |
hex | 7b62a8d26 |
33121013030 has 32 divisors (see below), whose sum is σ = 68737633344. Its totient is φ = 11255279616.
The previous prime is 33121013021. The next prime is 33121013033. The reversal of 33121013030 is 3031012133.
It is a super-3 number, since 3×331210130303 (a number of 33 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33121013033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085707 + ... + 2101526.
It is an arithmetic number, because the mean of its divisors is an integer number (2148051042).
Almost surely, 233121013030 is an apocalyptic number.
33121013030 is an abundant number, since it is smaller than the sum of its proper divisors (35616620314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
33121013030 is a wasteful number, since it uses less digits than its factorization.
33121013030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4187360.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 33121013030 its reverse (3031012133), we get a palindrome (36152025163).
The spelling of 33121013030 in words is "thirty-three billion, one hundred twenty-one million, thirteen thousand, thirty".
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