Search a number
-
+
220331213300 = 225211792535457
BaseRepresentation
bin1100110100110011000…
…0111000000111110100
3210001201021001022222102
43031030300320013310
512102214242311200
6245115130321232
721630004261232
oct3151460700764
9701637038872
10220331213300
1185495253720
1236850589218
1317a14502bc3
14a942383952
155ae83176d5
hex334cc381f4

220331213300 has 72 divisors (see below), whose sum is σ = 528186610560. Its totient is φ = 79106227200.

The previous prime is 220331213299. The next prime is 220331213317. The reversal of 220331213300 is 3312133022.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1180829 + ... + 1354628.

Almost surely, 2220331213300 is an apocalyptic number.

220331213300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220331213300 is an abundant number, since it is smaller than the sum of its proper divisors (307855397260).

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

220331213300 is a wasteful number, since it uses less digits than its factorization.

220331213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535561 (or 2535554 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 220331213300 its reverse (3312133022), we get a palindrome (223643346322).

It can be divided in two parts, 2 and 20331213300, that added together give a palindrome (20331213302).

The spelling of 220331213300 in words is "two hundred twenty billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 79 100 110 158 220 275 316 395 550 790 869 1100 1580 1738 1975 3476 3950 4345 7900 8690 17380 21725 43450 86900 2535457 5070914 10141828 12677285 25354570 27890027 50709140 55780054 63386425 111560108 126772850 139450135 200301103 253545700 278900270 400602206 557800540 697250675 801204412 1001505515 1394501350 2003011030 2203312133 2789002700 4006022060 4406624266 5007527575 8813248532 10015055150 11016560665 20030110300 22033121330 44066242660 55082803325 110165606650 220331213300