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312445323544213 = 2378717261218913
BaseRepresentation
bin100011100001010101101100…
…0100001011000011010010101
31111222021110222210211122221001
41013002223120201120122111
5311423101010311403323
63024303222231223301
7122545300246251346
oct10702533041303225
91458243883748831
10312445323544213
1190611354787282
122b061bb6817b31
1310545610396342
145722611bc80cd
15261c6471c63ad
hex11c2ad8858695

312445323544213 has 8 divisors (see below), whose sum is σ = 326444172101568. Its totient is φ = 298480997426304.

The previous prime is 312445323544129. The next prime is 312445323544217.

312445323544213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 312445323544213 - 233 = 312436733609621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312445323544217) 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, 8630591356 + ... + 8630627557.

It is an arithmetic number, because the mean of its divisors is an integer number (40805521512696).

Almost surely, 2312445323544213 is an apocalyptic number.

It is an amenable number.

312445323544213 is a deficient number, since it is larger than the sum of its proper divisors (13998848557355).

312445323544213 is a wasteful number, since it uses less digits than its factorization.

312445323544213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17261219723.

The product of its digits is 4147200, while the sum is 46.

The spelling of 312445323544213 in words is "three hundred twelve trillion, four hundred forty-five billion, three hundred twenty-three million, five hundred forty-four thousand, two hundred thirteen".

Divisors: 1 23 787 18101 17261218913 397008034999 13584579284531 312445323544213