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213112332030 = 23513546441877
BaseRepresentation
bin1100011001111001111…
…1000001111011111110
3202101002011110011112110
43012132133001323332
511442423224111110
6241522532514450
721253056635163
oct3063637017376
9671064404473
10213112332030
11824203a0344
1235376a7ba26
1317133a61820
14a45972c06a
1558246b4a20
hex319e7c1efe

213112332030 has 32 divisors (see below), whose sum is σ = 550813413024. Its totient is φ = 52458420096.

The previous prime is 213112332023. The next prime is 213112332031. The reversal of 213112332030 is 30233211312.

It is a junction number, because it is equal to n+sod(n) for n = 213112331988 and 213112332006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112332031) 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, 273220549 + ... + 273221328.

It is an arithmetic number, because the mean of its divisors is an integer number (17212919157).

Almost surely, 2213112332030 is an apocalyptic number.

213112332030 is an abundant number, since it is smaller than the sum of its proper divisors (337701080994).

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

213112332030 is a wasteful number, since it uses less digits than its factorization.

213112332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546441900.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213112332030 its reverse (30233211312), we get a palindrome (243345543342).

The spelling of 213112332030 in words is "two hundred thirteen billion, one hundred twelve million, three hundred thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 546441877 1092883754 1639325631 2732209385 3278651262 5464418770 7103744401 8196628155 14207488802 16393256310 21311233203 35518722005 42622466406 71037444010 106556166015 213112332030