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213123310030 = 25102672075809
BaseRepresentation
bin1100011001111100100…
…0111010000111001110
3202101002221002220112001
43012133020322013032
511442434031410110
6241524004102514
721253252150051
oct3063710720716
9671087086461
10213123310030
1182426609274
123537a694a3a
1317136106597
14a45ad88a98
15582563263a
hex319f23a1ce

213123310030 has 16 divisors (see below), whose sum is σ = 383659507440. Its totient is φ = 85240979712.

The previous prime is 213123310027. The next prime is 213123310051. The reversal of 213123310030 is 30013321312.

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, 935235 + ... + 1140574.

It is an arithmetic number, because the mean of its divisors is an integer number (23978719215).

Almost surely, 2213123310030 is an apocalyptic number.

213123310030 is a deficient number, since it is larger than the sum of its proper divisors (170536197410).

213123310030 is a wasteful number, since it uses less digits than its factorization.

213123310030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086083.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213123310030 its reverse (30013321312), we get a palindrome (243136631342).

The spelling of 213123310030 in words is "two hundred thirteen billion, one hundred twenty-three million, three hundred ten thousand, thirty".

Divisors: 1 2 5 10 10267 20534 51335 102670 2075809 4151618 10379045 20758090 21312331003 42624662006 106561655015 213123310030