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542421403345 = 5167891646159
BaseRepresentation
bin1111110010010101101…
…01011100011011010001
31220212002021120021200101
413321022311130123101
532341334334401340
61053103541052401
754121464566203
oct7711265343321
91825067507611
10542421403345
1119a048817728
128915b9b7101
133c1c4a71083
141c379222773
15e199ebcc9a
hex7e4ad5c6d1

542421403345 has 8 divisors (see below), whose sum is σ = 650910568320. Its totient is φ = 433933866480.

The previous prime is 542421403291. The next prime is 542421403361. The reversal of 542421403345 is 543304124245.

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

It is a de Polignac number, because none of the positive numbers 2k-542421403345 is a prime.

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, 516376 + ... + 1162534.

It is an arithmetic number, because the mean of its divisors is an integer number (81363821040).

Almost surely, 2542421403345 is an apocalyptic number.

It is an amenable number.

542421403345 is a deficient number, since it is larger than the sum of its proper divisors (108489164975).

542421403345 is a wasteful number, since it uses less digits than its factorization.

542421403345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814055.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 542421403345 in words is "five hundred forty-two billion, four hundred twenty-one million, four hundred three thousand, three hundred forty-five".

Divisors: 1 5 167891 646159 839455 3230795 108484280669 542421403345