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30010012 = 2229258707
BaseRepresentation
bin111001001111…
…0101010011100
32002110122222221
41302132222130
530140310022
62551115124
7513036514
oct162365234
962418887
1030010012
1115a37a6a
12a072aa4
1362a9706
143db2844
15297bcc7
hex1c9ea9c

30010012 has 12 divisors (see below), whose sum is σ = 54328680. Its totient is φ = 14487536.

The previous prime is 30009979. The next prime is 30010021. The reversal of 30010012 is 21001003.

It is a junction number, because it is equal to n+sod(n) for n = 30009977 and 30010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129238 + ... + 129469.

It is an arithmetic number, because the mean of its divisors is an integer number (4527390).

Almost surely, 230010012 is an apocalyptic number.

It is an amenable number.

30010012 is a deficient number, since it is larger than the sum of its proper divisors (24318668).

30010012 is a wasteful number, since it uses less digits than its factorization.

30010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258740 (or 258738 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30010012 is about 5478.1394651834. The cubic root of 30010012 is about 310.7578129862.

Adding to 30010012 its reverse (21001003), we get a palindrome (51011015).

Subtracting from 30010012 its reverse (21001003), we obtain a palindrome (9009009).

It can be divided in two parts, 3001001 and 2, that added together give a palindrome (3001003).

The spelling of 30010012 in words is "thirty million, ten thousand, twelve".

Divisors: 1 2 4 29 58 116 258707 517414 1034828 7502503 15005006 30010012