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316126534288420 = 22543997359259193
BaseRepresentation
bin100011111100000111111000…
…1110001111100010000100100
31112110022101211201022020200101
41013320033301301330100210
5312413404120234212140
63040202305221153444
7123405250135302532
oct10770176161742044
91473271751266611
10316126534288420
1191800568227679
122b55753485b884
13107517b177222b
14580c86a829152
15268329b1b599a
hex11f83f1c7c424

316126534288420 has 24 divisors (see below), whose sum is σ = 663880812739704. Its totient is φ = 126447739289856.

The previous prime is 316126534288393. The next prime is 316126534288471. The reversal of 316126534288420 is 24882435621613.

It can be written as a sum of positive squares in 4 ways, for example, as 11896263217216 + 304230271071204 = 3449096^2 + 17442198^2 .

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, 178749657 + ... + 180509536.

It is an arithmetic number, because the mean of its divisors is an integer number (27661700530821).

Almost surely, 2316126534288420 is an apocalyptic number.

It is an amenable number.

316126534288420 is an abundant number, since it is smaller than the sum of its proper divisors (347754278451284).

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

316126534288420 is a wasteful number, since it uses less digits than its factorization.

316126534288420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359303199 (or 359303197 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 316126534288420 in words is "three hundred sixteen trillion, one hundred twenty-six billion, five hundred thirty-four million, two hundred eighty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43997 87994 175988 219985 439970 879940 359259193 718518386 1437036772 1796295965 3592591930 7185183860 15806326714421 31612653428842 63225306857684 79031633572105 158063267144210 316126534288420