Base | Representation |
---|---|
bin | 1011110100100110110… |
… | …1111001100110111010 |
3 | 201102020101220210110100 |
4 | 2331021231321212322 |
5 | 11311422124411442 |
6 | 233145234500230 |
7 | 20450004326424 |
oct | 2751155714672 |
9 | 642211823410 |
10 | 203100232122 |
11 | 79152871507 |
12 | 33441a34676 |
13 | 161c96c8a58 |
14 | 9b89b39814 |
15 | 543a71684c |
hex | 2f49b799ba |
203100232122 has 96 divisors (see below), whose sum is σ = 454686523200. Its totient is φ = 65493826560.
The previous prime is 203100232117. The next prime is 203100232123. The reversal of 203100232122 is 221232001302.
203100232122 is a `hidden beast` number, since 2 + 0 + 310 + 0 + 232 + 122 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 203100232095 and 203100232104.
It is not an unprimeable number, because it can be changed into a prime (203100232123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17354629 + ... + 17366327.
It is an arithmetic number, because the mean of its divisors is an integer number (4736317950).
Almost surely, 2203100232122 is an apocalyptic number.
203100232122 is an abundant number, since it is smaller than the sum of its proper divisors (251586291078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203100232122 is a wasteful number, since it uses less digits than its factorization.
203100232122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12028 (or 12025 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 203100232122 its reverse (221232001302), we get a palindrome (424332233424).
The spelling of 203100232122 in words is "two hundred three billion, one hundred million, two hundred thirty-two thousand, one hundred twenty-two".
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