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203223130302 = 23231472631379
BaseRepresentation
bin1011110101000100001…
…0101110000010111110
3201102112222011200001210
42331101002232002332
511312200110132202
6233205344545250
720453026051233
oct2752102560276
9642488150053
10203223130302
1179206182755
1233477022226
1316218cc8b7a
149b9c1ab78a
1554463e0c6c
hex2f510ae0be

203223130302 has 16 divisors (see below), whose sum is σ = 424117837440. Its totient is φ = 64795780632.

The previous prime is 203223130261. The next prime is 203223130307. The reversal of 203223130302 is 203031322302.

203223130302 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2032231303022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203223130307) 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 7 ways as a sum of consecutive naturals, for example, 736315552 + ... + 736315827.

It is an arithmetic number, because the mean of its divisors is an integer number (26507364840).

Almost surely, 2203223130302 is an apocalyptic number.

203223130302 is an abundant number, since it is smaller than the sum of its proper divisors (220894707138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203223130302 is a wasteful number, since it uses less digits than its factorization.

203223130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472631407.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203223130302 its reverse (203031322302), we get a palindrome (406254452604).

The spelling of 203223130302 in words is "two hundred three billion, two hundred twenty-three million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 23 46 69 138 1472631379 2945262758 4417894137 8835788274 33870521717 67741043434 101611565151 203223130302