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30333203220 = 22351960144273
BaseRepresentation
bin11100001111111111…
…111111001100010100
32220021222021101021010
4130033333333030110
5444110300000340
621533533452220
72122453654545
oct341777771424
986258241233
1030333203220
11119563365a1
125a66641070
132b25419b78
14167a7c24cc
15bc7ee5b80
hex70ffff314

30333203220 has 96 divisors (see below), whose sum is σ = 89553905280. Its totient is φ = 7650201600.

The previous prime is 30333203213. The next prime is 30333203221. The reversal of 30333203220 is 2230233303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30333203221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 663004 + ... + 707276.

It is an arithmetic number, because the mean of its divisors is an integer number (932853180).

Almost surely, 230333203220 is an apocalyptic number.

30333203220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30333203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44776952640).

30333203220 is an abundant number, since it is smaller than the sum of its proper divisors (59220702060).

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

30333203220 is a wasteful number, since it uses less digits than its factorization.

30333203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44905 (or 44903 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 30333203220 its reverse (2230233303), we get a palindrome (32563436523).

The spelling of 30333203220 in words is "thirty billion, three hundred thirty-three million, two hundred three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 601 1140 1202 1803 2404 3005 3606 6010 7212 9015 11419 12020 18030 22838 34257 36060 44273 45676 57095 68514 88546 114190 132819 137028 171285 177092 221365 228380 265638 342570 442730 531276 664095 685140 841187 885460 1328190 1682374 2523561 2656380 3364748 4205935 5047122 8411870 10094244 12617805 16823740 25235610 26608073 50471220 53216146 79824219 106432292 133040365 159648438 266080730 319296876 399121095 505553387 532161460 798242190 1011106774 1516660161 1596484380 2022213548 2527766935 3033320322 5055533870 6066640644 7583300805 10111067740 15166601610 30333203220