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203130420234 = 2374836438577
BaseRepresentation
bin1011110100101110000…
…1000011110000001010
3201102022111201111202120
42331023201003300022
511312002341421414
6233152233512110
720450522040420
oct2751341036012
9642274644676
10203130420234
1179168910265
123344bb72636
1316202a38541
149b8db57110
15543d1cb2a9
hex2f4b843c0a

203130420234 has 16 divisors (see below), whose sum is σ = 464298103488. Its totient is φ = 58037262912.

The previous prime is 203130420217. The next prime is 203130420289. The reversal of 203130420234 is 432024031302.

It is a super-2 number, since 2×2031304202342 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418219247 + ... + 2418219330.

It is an arithmetic number, because the mean of its divisors is an integer number (29018631468).

Almost surely, 2203130420234 is an apocalyptic number.

203130420234 is an abundant number, since it is smaller than the sum of its proper divisors (261167683254).

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

203130420234 is a wasteful number, since it uses less digits than its factorization.

203130420234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4836438589.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203130420234 its reverse (432024031302), we get a palindrome (635154451536).

The spelling of 203130420234 in words is "two hundred three billion, one hundred thirty million, four hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 4836438577 9672877154 14509315731 29018631462 33855070039 67710140078 101565210117 203130420234