Base | Representation |
---|---|
bin | 1011110110011101011001… |
… | …0011011001111111101010 |
3 | 1201010200022012212122010210 |
4 | 2331213112103121333222 |
5 | 3201441403143021302 |
6 | 43414001112321550 |
7 | 2513255163624540 |
oct | 275472623317752 |
9 | 51120265778123 |
10 | 13030231220202 |
11 | 41740a990a9a9 |
12 | 156541a0a32b6 |
13 | 73698cc18cb1 |
14 | 33094905bd90 |
15 | 178e2d73566c |
hex | bd9d64d9fea |
13030231220202 has 64 divisors (see below), whose sum is σ = 30811031781120. Its totient is φ = 3594472713216.
The previous prime is 13030231220177. The next prime is 13030231220213. The reversal of 13030231220202 is 20202213203031.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 88617648 + ... + 88764564.
It is an arithmetic number, because the mean of its divisors is an integer number (481422371580).
Almost surely, 213030231220202 is an apocalyptic number.
13030231220202 is an abundant number, since it is smaller than the sum of its proper divisors (17780800560918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13030231220202 is a wasteful number, since it uses less digits than its factorization.
13030231220202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 219775.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13030231220202 its reverse (20202213203031), we get a palindrome (33232444423233).
The spelling of 13030231220202 in words is "thirteen trillion, thirty billion, two hundred thirty-one million, two hundred twenty thousand, two hundred two".
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