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30212233320 = 23351973127607
BaseRepresentation
bin11100001000110010…
…100001100001101000
32212222112122110202110
4130020302201201220
5443333312431240
621513533002320
72116454513613
oct341062414150
985875573673
1030212233320
11118a4022075
125a320233a0
132b06343649
1416686d317a
15bbc59cc80
hex708ca1868

30212233320 has 64 divisors (see below), whose sum is σ = 90683349120. Its totient is φ = 8052449024.

The previous prime is 30212233319. The next prime is 30212233333. The reversal of 30212233320 is 2333221203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172957 + ... + 300563.

It is an arithmetic number, because the mean of its divisors is an integer number (1416927330).

Almost surely, 230212233320 is an apocalyptic number.

30212233320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30212233320 is an abundant number, since it is smaller than the sum of its proper divisors (60471115800).

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

30212233320 is a wasteful number, since it uses less digits than its factorization.

30212233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129594 (or 129590 counting only the distinct ones).

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

Adding to 30212233320 its reverse (2333221203), we get a palindrome (32545454523).

The spelling of 30212233320 in words is "thirty billion, two hundred twelve million, two hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1973 3946 5919 7892 9865 11838 15784 19730 23676 29595 39460 47352 59190 78920 118380 127607 236760 255214 382821 510428 638035 765642 1020856 1276070 1531284 1914105 2552140 3062568 3828210 5104280 7656420 15312840 251768611 503537222 755305833 1007074444 1258843055 1510611666 2014148888 2517686110 3021223332 3776529165 5035372220 6042446664 7553058330 10070744440 15106116660 30212233320