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312042313420 = 22557331272141
BaseRepresentation
bin1001000101001110010…
…10111101011011001100
31002211102202122221012021
410202213022331123030
520103030313012140
6355203353415524
731354461620665
oct4424712753314
91084382587167
10312042313420
11110377829642
125058640a5a4
132356b989c56
141116261636c
1581b49dbb4a
hex48a72bd6cc

312042313420 has 24 divisors (see below), whose sum is σ = 655302696048. Its totient is φ = 124814289600.

The previous prime is 312042313409. The next prime is 312042313439. The reversal of 312042313420 is 24313240213.

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, 1010550 + ... + 1282690.

It is an arithmetic number, because the mean of its divisors is an integer number (27304279002).

Almost surely, 2312042313420 is an apocalyptic number.

It is an amenable number.

312042313420 is an abundant number, since it is smaller than the sum of its proper divisors (343260382628).

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

312042313420 is a wasteful number, since it uses less digits than its factorization.

312042313420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329481 (or 329479 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312042313420 its reverse (24313240213), we get a palindrome (336355553633).

The spelling of 312042313420 in words is "three hundred twelve billion, forty-two million, three hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 57331 114662 229324 272141 286655 544282 573310 1088564 1146620 1360705 2721410 5442820 15602115671 31204231342 62408462684 78010578355 156021156710 312042313420