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30312022010 = 254173931761
BaseRepresentation
bin11100001110101111…
…001011111111111010
32220020111102021002212
4130032233023333322
5444034334201020
621531455455122
72122105636004
oct341657137772
986214367085
1030312022010
1111945389866
125a5b5274a2
132b20c11bca
141677a6b374
15bc620ecc5
hex70ebcbffa

30312022010 has 16 divisors (see below), whose sum is σ = 55892412072. Its totient is φ = 11829081600.

The previous prime is 30312022007. The next prime is 30312022049. The reversal of 30312022010 is 1022021303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15574790401 + 14737231609 = 124799^2 + 121397^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36965471 + ... + 36966290.

Almost surely, 230312022010 is an apocalyptic number.

30312022010 is a deficient number, since it is larger than the sum of its proper divisors (25580390062).

30312022010 is a wasteful number, since it uses less digits than its factorization.

30312022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73931809.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30312022010 its reverse (1022021303), we get a palindrome (31334043313).

The spelling of 30312022010 in words is "thirty billion, three hundred twelve million, twenty-two thousand, ten".

Divisors: 1 2 5 10 41 82 205 410 73931761 147863522 369658805 739317610 3031202201 6062404402 15156011005 30312022010