Search a number
-
+
20010321300 = 22352211331567
BaseRepresentation
bin10010101000101101…
…010100010110010100
31220122112221122102010
4102220231110112110
5311440120240200
613105334344220
71305605632104
oct225055242624
956575848363
1020010321300
118539339622
123a654bb070
131b6b87c808
14d7b811204
157c1b09150
hex4a8b54594

20010321300 has 72 divisors (see below), whose sum is σ = 57925764736. Its totient is φ = 5333391360.

The previous prime is 20010321269. The next prime is 20010321311. The reversal of 20010321300 is 312301002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618117 + ... + 649683.

Almost surely, 220010321300 is an apocalyptic number.

20010321300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010321300 is an abundant number, since it is smaller than the sum of its proper divisors (37915443436).

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

20010321300 is a wasteful number, since it uses less digits than its factorization.

20010321300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33697 (or 33690 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20010321300 its reverse (312301002), we get a palindrome (20322622302).

The spelling of 20010321300 in words is "twenty billion, ten million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2113 4226 6339 8452 10565 12678 21130 25356 31567 31695 42260 52825 63134 63390 94701 105650 126268 126780 157835 158475 189402 211300 315670 316950 378804 473505 631340 633900 789175 947010 1578350 1894020 2367525 3156700 4735050 9470100 66701071 133402142 200103213 266804284 333505355 400206426 667010710 800412852 1000516065 1334021420 1667526775 2001032130 3335053550 4002064260 5002580325 6670107100 10005160650 20010321300