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542420313252 = 22345201692771
BaseRepresentation
bin1111110010010101100…
…01010010010010100100
31220212002012111220100120
413321022301102102210
532341334100011002
61053103501441540
754121452406116
oct7711261222244
91825065456316
10542420313252
1119a048142724
128915b5702b0
133c1c477bb4c
141c37901b3b6
15e199d54cbc
hex7e4ac524a4

542420313252 has 12 divisors (see below), whose sum is σ = 1265647397616. Its totient is φ = 180806771080.

The previous prime is 542420313223. The next prime is 542420313307. The reversal of 542420313252 is 252313024245.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22600846374 + ... + 22600846397.

It is an arithmetic number, because the mean of its divisors is an integer number (105470616468).

Almost surely, 2542420313252 is an apocalyptic number.

It is an amenable number.

542420313252 is an abundant number, since it is smaller than the sum of its proper divisors (723227084364).

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

542420313252 is a wasteful number, since it uses less digits than its factorization.

542420313252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45201692778 (or 45201692776 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 542420313252 its reverse (252313024245), we get a palindrome (794733337497).

The spelling of 542420313252 in words is "five hundred forty-two billion, four hundred twenty million, three hundred thirteen thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 45201692771 90403385542 135605078313 180806771084 271210156626 542420313252