Search a number
-
+
30003200320 = 265671399403
BaseRepresentation
bin11011111100010101…
…001000000101000000
32212102222022111101111
4123330111020011000
5442421304402240
621441104413104
72111335665142
oct337425100500
985388274344
1030003200320
11117a702a525
125994017194
132aa1c45992
141648a3cc92
15ba905c1ea
hex6fc548140

30003200320 has 56 divisors (see below), whose sum is σ = 72511517664. Its totient is φ = 11822148096.

The previous prime is 30003200291. The next prime is 30003200347. The reversal of 30003200320 is 2300230003.

It is a self number, because there is not a number n which added to its sum of digits gives 30003200320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678262 + ... + 721141.

Almost surely, 230003200320 is an apocalyptic number.

It is an amenable number.

30003200320 is an abundant number, since it is smaller than the sum of its proper divisors (42508317344).

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

30003200320 is a wasteful number, since it uses less digits than its factorization.

30003200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399487 (or 1399477 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

Adding to 30003200320 its reverse (2300230003), we get a palindrome (32303430323).

The spelling of 30003200320 in words is "thirty billion, three million, two hundred thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 67 80 134 160 268 320 335 536 670 1072 1340 2144 2680 4288 5360 10720 21440 1399403 2798806 5597612 6997015 11195224 13994030 22390448 27988060 44780896 55976120 89561792 93760001 111952240 187520002 223904480 375040004 447808960 468800005 750080008 937600010 1500160016 1875200020 3000320032 3750400040 6000640064 7500800080 15001600160 30003200320