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213203430142 = 22341113045297
BaseRepresentation
bin1100011010001111101…
…0100010101011111110
3202101022111212102122121
43012203322202223332
511443120034231032
6241535545233154
721255244153303
oct3064372425376
9671274772577
10213203430142
118246786173a
12353a14927ba
13171498a9531
14a4678830aa
15582c6aba97
hex31a3ea2afe

213203430142 has 16 divisors (see below), whose sum is σ = 341848981152. Its totient is φ = 99479860480.

The previous prime is 213203430133. The next prime is 213203430157. The reversal of 213203430142 is 241034302312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56520763 + ... + 56524534.

It is an arithmetic number, because the mean of its divisors is an integer number (21365561322).

Almost surely, 2213203430142 is an apocalyptic number.

213203430142 is a deficient number, since it is larger than the sum of its proper divisors (128645551010).

213203430142 is a wasteful number, since it uses less digits than its factorization.

213203430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113045363.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213203430142 its reverse (241034302312), we get a palindrome (454237732454).

The spelling of 213203430142 in words is "two hundred thirteen billion, two hundred three million, four hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 23 41 46 82 943 1886 113045297 226090594 2600041831 4634857177 5200083662 9269714354 106601715071 213203430142