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542404404245 = 51182487119557
BaseRepresentation
bin1111110010010011101…
…00100110010000010101
31220212001002120122022002
413321021310212100111
532341321011413440
61053102132445045
754121200236144
oct7711164462025
91825032518262
10542404404245
1119a03a166a90
1289156179785
133c1c139b832
141c376c7975b
15e198761115
hex7e49d26415

542404404245 has 16 divisors (see below), whose sum is σ = 710071221888. Its totient is φ = 394467848640.

The previous prime is 542404404229. The next prime is 542404404247.

542404404245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542404404245 - 24 = 542404404229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542404404199 and 542404404208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542404404247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4477007 + ... + 4596563.

It is an arithmetic number, because the mean of its divisors is an integer number (44379451368).

Almost surely, 2542404404245 is an apocalyptic number.

542404404245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542404404245 is a deficient number, since it is larger than the sum of its proper divisors (167666817643).

542404404245 is a wasteful number, since it uses less digits than its factorization.

542404404245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202060.

The product of its (nonzero) digits is 409600, while the sum is 38.

It can be divided in two parts, 542404 and 404245, that added together give a palindrome (946649).

The spelling of 542404404245 in words is "five hundred forty-two billion, four hundred four million, four hundred four thousand, two hundred forty-five".

Divisors: 1 5 11 55 82487 119557 412435 597785 907357 1315127 4536785 6575635 9861898259 49309491295 108480880849 542404404245