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312552255212 = 2289009877867
BaseRepresentation
bin1001000110001011001…
…00001110111011101100
31002212202022012122211022
410203011210032323230
520110101334131322
6355330131313312
731403223222521
oct4430544167354
91085668178738
10312552255212
1111060966643a
12506a914b838
1323620513262
14111b0239148
1581e466a942
hex48c590eeec

312552255212 has 12 divisors (see below), whose sum is σ = 546973214760. Its totient is φ = 156274193856.

The previous prime is 312552255179. The next prime is 312552255229. The reversal of 312552255212 is 212552255213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82898 + ... + 794969.

It is an arithmetic number, because the mean of its divisors is an integer number (45581101230).

Almost surely, 2312552255212 is an apocalyptic number.

It is an amenable number.

312552255212 is a deficient number, since it is larger than the sum of its proper divisors (234420959548).

312552255212 is a wasteful number, since it uses less digits than its factorization.

312552255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966880 (or 966878 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

Subtracting from 312552255212 its reverse (212552255213), we obtain a palindrome (99999999999).

The spelling of 312552255212 in words is "three hundred twelve billion, five hundred fifty-two million, two hundred fifty-five thousand, two hundred twelve".

Divisors: 1 2 4 89009 178018 356036 877867 1755734 3511468 78138063803 156276127606 312552255212