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30210778112 = 21067440339
BaseRepresentation
bin11100001000101100…
…111110010000000000
32212222102220112120212
4130020230332100000
5443332424344422
621513441453252
72116436243204
oct341054762000
985872815525
1030210778112
11118a3218819
125a31641228
132b05c54188
141668434b04
15bbc3b19e2
hex708b3e400

30210778112 has 44 divisors (see below), whose sum is σ = 61293566640. Its totient is φ = 14879901696.

The previous prime is 30210778109. The next prime is 30210778141. The reversal of 30210778112 is 21187701203.

It is a super-2 number, since 2×302107781122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 151562 + ... + 288777.

Almost surely, 230210778112 is an apocalyptic number.

30210778112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30210778112 is an abundant number, since it is smaller than the sum of its proper divisors (31082788528).

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

30210778112 is an equidigital number, since it uses as much as digits as its factorization.

30210778112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440426 (or 440408 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 30210778112 in words is "thirty billion, two hundred ten million, seven hundred seventy-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 67 128 134 256 268 512 536 1024 1072 2144 4288 8576 17152 34304 68608 440339 880678 1761356 3522712 7045424 14090848 28181696 29502713 56363392 59005426 112726784 118010852 225453568 236021704 450907136 472043408 944086816 1888173632 3776347264 7552694528 15105389056 30210778112