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312222004404 = 223199130746233
BaseRepresentation
bin1001000101100011110…
…00011011010010110100
31002211220021210011212220
410202301320123102310
520103412313120104
6355233253042340
731362103151262
oct4426170332264
91084807704786
10312222004404
1111045a200092
12506166263b0
1323599c8328b
141117c42d432
1581c56837d9
hex48b1e1b4b4

312222004404 has 24 divisors (see below), whose sum is σ = 732178910400. Its totient is φ = 103551015744.

The previous prime is 312222004379. The next prime is 312222004417. The reversal of 312222004404 is 404400222213.

It is a congruent number.

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, 65370729 + ... + 65375504.

It is an arithmetic number, because the mean of its divisors is an integer number (30507454600).

Almost surely, 2312222004404 is an apocalyptic number.

It is an amenable number.

312222004404 is an abundant number, since it is smaller than the sum of its proper divisors (419956905996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312222004404 is a wasteful number, since it uses less digits than its factorization.

312222004404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130746439 (or 130746437 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 312222004404 its reverse (404400222213), we get a palindrome (716622226617).

The spelling of 312222004404 in words is "three hundred twelve billion, two hundred twenty-two million, four thousand, four hundred four".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 130746233 261492466 392238699 522984932 784477398 1568954796 26018500367 52037000734 78055501101 104074001468 156111002202 312222004404