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213303201023 = 11173730828617
BaseRepresentation
bin1100011010100111011…
…1001000110011111111
3202101120110121022120102
43012221313020303333
511443321104413043
6241553511511315
721260565202433
oct3065167106377
9671513538512
10213303201023
1182509107010
123540a98853b
131716446c963
14a476c149c3
1558363186b8
hex31a9dc8cff

213303201023 has 16 divisors (see below), whose sum is σ = 253041296544. Its totient is φ = 177572828160.

The previous prime is 213303200987. The next prime is 213303201029. The reversal of 213303201023 is 320102303312.

It is not a de Polignac number, because 213303201023 - 210 = 213303199999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213303200986 and 213303201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303201029) 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 15 ways as a sum of consecutive naturals, for example, 15407390 + ... + 15421227.

It is an arithmetic number, because the mean of its divisors is an integer number (15815081034).

Almost surely, 2213303201023 is an apocalyptic number.

213303201023 is a deficient number, since it is larger than the sum of its proper divisors (39738095521).

213303201023 is a wasteful number, since it uses less digits than its factorization.

213303201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828682.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213303201023 its reverse (320102303312), we get a palindrome (533405504335).

The spelling of 213303201023 in words is "two hundred thirteen billion, three hundred three million, two hundred one thousand, twenty-three".

Divisors: 1 11 17 37 187 407 629 6919 30828617 339114787 524086489 1140658829 5764951379 12547247119 19391200093 213303201023