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312444310243 = 1381637294403
BaseRepresentation
bin1001000101111110010…
…00011101001011100011
31002212110210002111011111
410202333020131023203
520104341220411433
6355311313524151
731400442550252
oct4427710351343
91085423074144
10312444310243
1111056373881a
1250678b73657
132360404a3b0
141119db7a799
1581d9e46dcd
hex48bf21d2e3

312444310243 has 8 divisors (see below), whose sum is σ = 336483752528. Its totient is φ = 288405620064.

The previous prime is 312444310237. The next prime is 312444310247. The reversal of 312444310243 is 342013444213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312444310243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312444310247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914080 + ... + 1208482.

It is an arithmetic number, because the mean of its divisors is an integer number (42060469066).

Almost surely, 2312444310243 is an apocalyptic number.

312444310243 is a deficient number, since it is larger than the sum of its proper divisors (24039442285).

312444310243 is a wasteful number, since it uses less digits than its factorization.

312444310243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376053.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 312444310243 its reverse (342013444213), we get a palindrome (654457754456).

The spelling of 312444310243 in words is "three hundred twelve billion, four hundred forty-four million, three hundred ten thousand, two hundred forty-three".

Divisors: 1 13 81637 294403 1061281 3827239 24034177711 312444310243