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30151012 = 2254113933
BaseRepresentation
bin111001100000…
…1000101100100
32002201211102011
41303001011210
530204313022
62554124004
7514164553
oct163010544
962654364
1030151012
11160239a1
12a120604
136328948
14400bd9a
1529a8977
hex1cc1164

30151012 has 12 divisors (see below), whose sum is σ = 52865596. Its totient is φ = 15046560.

The previous prime is 30151007. The next prime is 30151049. The reversal of 30151012 is 21015103.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 6180196 = 4896^2 + 2486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30150983 and 30151001.

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, 4803 + ... + 9130.

Almost surely, 230151012 is an apocalyptic number.

It is an amenable number.

30151012 is a deficient number, since it is larger than the sum of its proper divisors (22714584).

30151012 is a wasteful number, since it uses less digits than its factorization.

30151012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14478 (or 14476 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 30151012 is about 5490.9937169878. The cubic root of 30151012 is about 311.2437442225.

Adding to 30151012 its reverse (21015103), we get a palindrome (51166115).

It can be divided in two parts, 3015101 and 2, that added together give a palindrome (3015103).

The spelling of 30151012 in words is "thirty million, one hundred fifty-one thousand, twelve".

Divisors: 1 2 4 541 1082 2164 13933 27866 55732 7537753 15075506 30151012