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30214023210 = 23257317919583
BaseRepresentation
bin11100001000111001…
…010110100000101010
32212222200000102000200
4130020321112200222
5443334242220320
621514035213030
72116505650140
oct341071264052
985880012020
1030214023210
11118a5034918
125a32747176
132b0681c257
141668a3b590
15bbc803290
hex708e5682a

30214023210 has 192 divisors, whose sum is σ = 93852794880. Its totient is φ = 6598350720.

The previous prime is 30214023167. The next prime is 30214023221. The reversal of 30214023210 is 1232041203.

30214023210 is a `hidden beast` number, since 30 + 21 + 402 + 3 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1533079 + ... + 1552661.

It is an arithmetic number, because the mean of its divisors is an integer number (488816640).

Almost surely, 230214023210 is an apocalyptic number.

30214023210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30214023210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46926397440).

30214023210 is an abundant number, since it is smaller than the sum of its proper divisors (63638771670).

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

30214023210 is a wasteful number, since it uses less digits than its factorization.

30214023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19713 (or 19710 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30214023210 its reverse (1232041203), we get a palindrome (31446064413).

The spelling of 30214023210 in words is "thirty billion, two hundred fourteen million, twenty-three thousand, two hundred ten".