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313233030212 = 2278308257553
BaseRepresentation
bin1001000111011100010…
…01001011110001000100
31002221111202012121120012
410203232021023301010
520113000123431322
6355521450525352
731426130553344
oct4435611136104
91087452177505
10313233030212
11110928974803
1250859136858
13236cb580bbb
141123680ad24
1582342e1ae2
hex48ee24bc44

313233030212 has 6 divisors (see below), whose sum is σ = 548157802878. Its totient is φ = 156616515104.

The previous prime is 313233030199. The next prime is 313233030289. The reversal of 313233030212 is 212030332313.

It can be written as a sum of positive squares in only one way, i.e., 218038566916 + 95194463296 = 466946^2 + 308536^2 .

It is a super-2 number, since 2×3132330302122 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39154128773 + ... + 39154128780.

It is an arithmetic number, because the mean of its divisors is an integer number (91359633813).

Almost surely, 2313233030212 is an apocalyptic number.

It is an amenable number.

313233030212 is a deficient number, since it is larger than the sum of its proper divisors (234924772666).

313233030212 is a wasteful number, since it uses less digits than its factorization.

313233030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78308257557 (or 78308257555 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 313233030212 its reverse (212030332313), we get a palindrome (525263362525).

The spelling of 313233030212 in words is "three hundred thirteen billion, two hundred thirty-three million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 78308257553 156616515106 313233030212