Search a number
-
+
213432011430 = 235113823169177
BaseRepresentation
bin1100011011000110001…
…0100000101010100110
3202101220102222120020020
43012301202200222212
511444102043331210
6242014352420010
721264021110121
oct3066142405246
9671812876206
10213432011430
11825748961a0
1235445b47606
131718505cb31
14a489d853b8
1558427ae770
hex31b18a0aa6

213432011430 has 64 divisors (see below), whose sum is σ = 558953284608. Its totient is φ = 51727253760.

The previous prime is 213432011371. The next prime is 213432011437. The reversal of 213432011430 is 34110234312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213432011430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213432011437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177002 + ... + 1346178.

It is an arithmetic number, because the mean of its divisors is an integer number (8733645072).

Almost surely, 2213432011430 is an apocalyptic number.

213432011430 is an abundant number, since it is smaller than the sum of its proper divisors (345521273178).

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

213432011430 is a wasteful number, since it uses less digits than its factorization.

213432011430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173021.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213432011430 its reverse (34110234312), we get a palindrome (247542245742).

The spelling of 213432011430 in words is "two hundred thirteen billion, four hundred thirty-two million, eleven thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 3823 7646 11469 19115 22938 38230 42053 57345 84106 114690 126159 169177 210265 252318 338354 420530 507531 630795 845885 1015062 1261590 1691770 1860947 2537655 3721894 5075310 5582841 9304735 11165682 18609470 27914205 55828410 646763671 1293527342 1940291013 3233818355 3880582026 6467636710 7114400381 9701455065 14228800762 19402910130 21343201143 35572001905 42686402286 71144003810 106716005715 213432011430