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30213210112 = 216461017
BaseRepresentation
bin11100001000110110…
…010000000000000000
32212222121111002122221
4130020312100000000
5443334040210422
621514005540424
72116466022451
oct341066200000
985877432587
1030213210112
11118a4629a38
125a32414714
132b065c6127
1416688a9128
15bbc6e23c7
hex708d90000

30213210112 has 34 divisors (see below), whose sum is σ = 60426090278. Its totient is φ = 15106572288.

The previous prime is 30213210089. The next prime is 30213210127. The reversal of 30213210112 is 21101231203.

It can be written as a sum of positive squares in only one way, i.e., 29331357696 + 881852416 = 171264^2 + 29696^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164973 + ... + 296044.

Almost surely, 230213210112 is an apocalyptic number.

30213210112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30213210112 is a deficient number, since it is larger than the sum of its proper divisors (30212880166).

30213210112 is an frugal number, since it uses more digits than its factorization.

30213210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461049 (or 461019 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30213210112 its reverse (21101231203), we get a palindrome (51314441315).

The spelling of 30213210112 in words is "thirty billion, two hundred thirteen million, two hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 461017 922034 1844068 3688136 7376272 14752544 29505088 59010176 118020352 236040704 472081408 944162816 1888325632 3776651264 7553302528 15106605056 30213210112