Search a number
-
+
202023320030 = 25723125480323
BaseRepresentation
bin1011110000100110000…
…1110011100111011110
3201022110100111222210022
42330021201303213132
511302220432220110
6232450324512142
720411216613140
oct2741141634736
9638410458708
10202023320030
117874a996514
12331a124b652
131608756cb6c
149ac6acac90
1553c5de1755
hex2f098739de

202023320030 has 32 divisors (see below), whose sum is σ = 433659999744. Its totient is φ = 66253610016.

The previous prime is 202023320029. The next prime is 202023320039. The reversal of 202023320030 is 30023320202.

It is a junction number, because it is equal to n+sod(n) for n = 202023319990 and 202023320008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023320039) 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, 62738552 + ... + 62741771.

It is an arithmetic number, because the mean of its divisors is an integer number (13551874992).

Almost surely, 2202023320030 is an apocalyptic number.

202023320030 is an abundant number, since it is smaller than the sum of its proper divisors (231636679714).

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

202023320030 is a wasteful number, since it uses less digits than its factorization.

202023320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125480360.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 202023320030 its reverse (30023320202), we get a palindrome (232046640232).

The spelling of 202023320030 in words is "two hundred two billion, twenty-three million, three hundred twenty thousand, thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 125480323 250960646 627401615 878362261 1254803230 1756724522 2886047429 4391811305 5772094858 8783622610 14430237145 20202332003 28860474290 40404664006 101011660015 202023320030