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30103213112 = 2372471633913
BaseRepresentation
bin11100000010010010…
…101001010000111000
32212200221111200010222
4130002102221100320
5443122410304422
621455040155212
72113662042500
oct340222512070
985627450128
1030103213112
111184852a625
125a01608b08
132ab989224b
141658034a00
15bb2c15842
hex7024a9438

30103213112 has 48 divisors (see below), whose sum is σ = 67055830560. Its totient is φ = 12626871936.

The previous prime is 30103213093. The next prime is 30103213123. The reversal of 30103213112 is 21131230103.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 798533 + ... + 835380.

It is an arithmetic number, because the mean of its divisors is an integer number (1396996470).

Almost surely, 230103213112 is an apocalyptic number.

It is an amenable number.

30103213112 is an abundant number, since it is smaller than the sum of its proper divisors (36952617448).

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

30103213112 is a wasteful number, since it uses less digits than its factorization.

30103213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633980 (or 1633969 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30103213112 its reverse (21131230103), we get a palindrome (51234443215).

The spelling of 30103213112 in words is "thirty billion, one hundred three million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 47 49 56 94 98 188 196 329 376 392 658 1316 2303 2632 4606 9212 18424 1633913 3267826 6535652 11437391 13071304 22874782 45749564 76793911 80061737 91499128 153587822 160123474 307175644 320246948 537557377 614351288 640493896 1075114754 2150229508 3762901639 4300459016 7525803278 15051606556 30103213112