Search a number
-
+
203320213432 = 2374721769057
BaseRepresentation
bin1011110101011011010…
…1000011111110111000
3201102210201212000002021
42331112311003332320
511312344433312212
6233223133444224
720455315204360
oct2752665037670
9642721760067
10203320213432
1179255a61746
12334a3640674
131623315aacb
149bab03d9a0
15544ebbb307
hex2f56d43fb8

203320213432 has 32 divisors (see below), whose sum is σ = 435779025120. Its totient is φ = 87118663680.

The previous prime is 203320213429. The next prime is 203320213457. The reversal of 203320213432 is 234312023302.

It is a junction number, because it is equal to n+sod(n) for n = 203320213397 and 203320213406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120153 + ... + 648904.

It is an arithmetic number, because the mean of its divisors is an integer number (13618094535).

Almost surely, 2203320213432 is an apocalyptic number.

It is an amenable number.

203320213432 is an abundant number, since it is smaller than the sum of its proper divisors (232458811688).

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

203320213432 is a wasteful number, since it uses less digits than its factorization.

203320213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773791 (or 773787 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203320213432 its reverse (234312023302), we get a palindrome (437632236734).

The spelling of 203320213432 in words is "two hundred three billion, three hundred twenty million, two hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 4721 9442 18884 33047 37768 66094 132188 264376 769057 1538114 3076228 5383399 6152456 10766798 21533596 43067192 3630718097 7261436194 14522872388 25415026679 29045744776 50830053358 101660106716 203320213432