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213030134430 = 23550211414261
BaseRepresentation
bin1100011001100110010…
…1011110001010011110
3202100212102210002121220
43012121211132022132
511442241203300210
6241510435034210
721251041160061
oct3063145361236
9670772702556
10213030134430
1182388a59043
123535343b966
131711ca120a9
14a44c8528d8
15581c379c70
hex319995e29e

213030134430 has 32 divisors (see below), whose sum is σ = 511374511008. Its totient is φ = 56796681600.

The previous prime is 213030134419. The next prime is 213030134431. The reversal of 213030134430 is 34431030312.

It is a self number, because there is not a number n which added to its sum of digits gives 213030134430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030134431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556501 + ... + 857760.

It is an arithmetic number, because the mean of its divisors is an integer number (15980453469).

Almost surely, 2213030134430 is an apocalyptic number.

213030134430 is an abundant number, since it is smaller than the sum of its proper divisors (298344376578).

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

213030134430 is a wasteful number, since it uses less digits than its factorization.

213030134430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419292.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213030134430 its reverse (34431030312), we get a palindrome (247461164742).

The spelling of 213030134430 in words is "two hundred thirteen billion, thirty million, one hundred thirty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5021 10042 15063 25105 30126 50210 75315 150630 1414261 2828522 4242783 7071305 8485566 14142610 21213915 42427830 7101004481 14202008962 21303013443 35505022405 42606026886 71010044810 106515067215 213030134430