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30221421000 = 2335310073807
BaseRepresentation
bin11100001001010101…
…100100100111001000
32220000011221020212220
4130021111210213020
5443343140433000
621514501534040
72116625561061
oct341125444710
986004836786
1030221421000
11118a92279a1
125a35114320
132b0820c544
141669a05568
15bbd2b51a0
hex7095649c8

30221421000 has 64 divisors (see below), whose sum is σ = 94290842880. Its totient is φ = 8059044800.

The previous prime is 30221420993. The next prime is 30221421029. The reversal of 30221421000 is 12412203.

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

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, 5033904 + ... + 5039903.

It is an arithmetic number, because the mean of its divisors is an integer number (1473294420).

Almost surely, 230221421000 is an apocalyptic number.

30221421000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30221421000 is an abundant number, since it is smaller than the sum of its proper divisors (64069421880).

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

30221421000 is a wasteful number, since it uses less digits than its factorization.

30221421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10073831 (or 10073817 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30221421000 its reverse (12412203), we get a palindrome (30233833203).

The spelling of 30221421000 in words is "thirty billion, two hundred twenty-one million, four hundred twenty-one thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 10073807 20147614 30221421 40295228 50369035 60442842 80590456 100738070 120885684 151107105 201476140 241771368 251845175 302214210 402952280 503690350 604428420 755535525 1007380700 1208856840 1259225875 1511071050 2014761400 2518451750 3022142100 3777677625 5036903500 6044284200 7555355250 10073807000 15110710500 30221421000