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30132002220 = 22351273954331
BaseRepresentation
bin11100000100000000…
…011101110110101100
32212202221200022101020
4130010000131312230
5443202243032340
621501545214140
72114461535655
oct340400356654
985687608336
1030132002220
1111862803281
125a0b191350
132ac2832018
14165bbaa52c
15bb55009d0
hex70401ddac

30132002220 has 48 divisors (see below), whose sum is σ = 85033955328. Its totient is φ = 7971929280.

The previous prime is 30132002213. The next prime is 30132002239. The reversal of 30132002220 is 2220023103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30132002220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969546 + ... + 1984785.

It is an arithmetic number, because the mean of its divisors is an integer number (1771540736).

Almost surely, 230132002220 is an apocalyptic number.

30132002220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30132002220 is an abundant number, since it is smaller than the sum of its proper divisors (54901953108).

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

30132002220 is a wasteful number, since it uses less digits than its factorization.

30132002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954470 (or 3954468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30132002220 its reverse (2220023103), we get a palindrome (32352025323).

The spelling of 30132002220 in words is "thirty billion, one hundred thirty-two million, two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 127 254 381 508 635 762 1270 1524 1905 2540 3810 7620 3954331 7908662 11862993 15817324 19771655 23725986 39543310 47451972 59314965 79086620 118629930 237259860 502200037 1004400074 1506600111 2008800148 2511000185 3013200222 5022000370 6026400444 7533000555 10044000740 15066001110 30132002220