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200431805902 = 2111789718803
BaseRepresentation
bin1011101010101010101…
…0101010010111001110
3201011100102210200211121
42322222222222113032
511240441020242102
6232024353111154
720323613145226
oct2725252522716
9634312720747
10200431805902
1178003590389
1232a182584ba
1315b92918723
1499b55a5086
15533131bb37
hex2eaaaaa5ce

200431805902 has 8 divisors (see below), whose sum is σ = 300916868616. Its totient is φ = 100126183032.

The previous prime is 200431805891. The next prime is 200431805939. The reversal of 200431805902 is 209508134002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44857168 + ... + 44861635.

It is an arithmetic number, because the mean of its divisors is an integer number (37614608577).

Almost surely, 2200431805902 is an apocalyptic number.

200431805902 is a deficient number, since it is larger than the sum of its proper divisors (100485062714).

200431805902 is a wasteful number, since it uses less digits than its factorization.

200431805902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89719922.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 200431805902 its reverse (209508134002), we get a palindrome (409939939904).

The spelling of 200431805902 in words is "two hundred billion, four hundred thirty-one million, eight hundred five thousand, nine hundred two".

Divisors: 1 2 1117 2234 89718803 179437606 100215902951 200431805902