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30332213220 = 223567721103
BaseRepresentation
bin11100001111111100…
…001101011111100100
32220021220102002020110
4130033330031133210
5444110021310340
621533500333020
72122442362341
oct341774153744
986256362213
1030332213220
111195581a811
125a66244170
132b2516137a
14167a6057c8
15bc7d9c680
hex70ff0d7e4

30332213220 has 72 divisors (see below), whose sum is σ = 85132946304. Its totient is φ = 8069320064.

The previous prime is 30332213207. The next prime is 30332213291. The reversal of 30332213220 is 2231223303.

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, 27499189 + ... + 27500291.

It is an arithmetic number, because the mean of its divisors is an integer number (1182402032).

Almost surely, 230332213220 is an apocalyptic number.

30332213220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30332213220 is an abundant number, since it is smaller than the sum of its proper divisors (54800733084).

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

30332213220 is a wasteful number, since it uses less digits than its factorization.

30332213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30332213220 its reverse (2231223303), we get a palindrome (32563436523).

The spelling of 30332213220 in words is "thirty billion, three hundred thirty-two million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 677 1103 1354 2031 2206 2708 3309 3385 4062 4412 5515 6618 6770 8124 10155 11030 13236 13540 16545 20310 22060 33090 40620 66180 458329 746731 916658 1374987 1493462 1833316 2240193 2291645 2749974 2986924 3733655 4480386 4583290 5499948 6874935 7467310 8960772 9166580 11200965 13749870 14934620 22401930 27499740 44803860 505536887 1011073774 1516610661 2022147548 2527684435 3033221322 5055368870 6066442644 7583053305 10110737740 15166106610 30332213220