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203130102030 = 23515434388207
BaseRepresentation
bin1011110100101101111…
…1110110000100001110
3201102022111010100021020
42331023133312010032
511312002301231110
6233152223015010
720450516243622
oct2751337660416
9642274110236
10203130102030
1179168713189
123344ba3a466
131620295675b
149b8dab3182
15543d166d70
hex2f4b7f610e

203130102030 has 32 divisors (see below), whose sum is σ = 487828306944. Its totient is φ = 54132909216.

The previous prime is 203130102013. The next prime is 203130102067. The reversal of 203130102030 is 30201031302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147814 + ... + 2240393.

It is an arithmetic number, because the mean of its divisors is an integer number (15244634592).

Almost surely, 2203130102030 is an apocalyptic number.

203130102030 is an abundant number, since it is smaller than the sum of its proper divisors (284698204914).

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

203130102030 is a wasteful number, since it uses less digits than its factorization.

203130102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389760.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203130102030 its reverse (30201031302), we get a palindrome (233331133332).

The spelling of 203130102030 in words is "two hundred three billion, one hundred thirty million, one hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1543 3086 4629 7715 9258 15430 23145 46290 4388207 8776414 13164621 21941035 26329242 43882070 65823105 131646210 6771003401 13542006802 20313010203 33855017005 40626020406 67710034010 101565051015 203130102030