Base | Representation |
---|---|
bin | 11101111010100011… |
… | …111100001100001010 |
3 | 10001220120100112020020 |
4 | 131322203330030022 |
5 | 1011240434404002 |
6 | 22431200441310 |
7 | 2214663051141 |
oct | 357243741412 |
9 | 101816315206 |
10 | 32121013002 |
11 | 12693524541 |
12 | 6285319236 |
13 | 304b92c490 |
14 | 17aa004758 |
15 | c7ee422bc |
hex | 77a8fc30a |
32121013002 has 64 divisors (see below), whose sum is σ = 71646180480. Its totient is φ = 9532341504.
The previous prime is 32121012977. The next prime is 32121013007. The reversal of 32121013002 is 20031012123.
It is not an unprimeable number, because it can be changed into a prime (32121013007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2248093 + ... + 2262335.
It is an arithmetic number, because the mean of its divisors is an integer number (1119471570).
Almost surely, 232121013002 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 32121013002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35823090240).
32121013002 is an abundant number, since it is smaller than the sum of its proper divisors (39525167478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32121013002 is a wasteful number, since it uses less digits than its factorization.
32121013002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15287.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 32121013002 its reverse (20031012123), we get a palindrome (52152025125).
The spelling of 32121013002 in words is "thirty-two billion, one hundred twenty-one million, thirteen thousand, two".
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