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42404219993 = 431915163061
BaseRepresentation
bin100111011111011111…
…010000110001011001
311001110020000120022102
4213133133100301121
51143320440014433
631251421333145
73030546631352
oct473737206131
9131406016272
1042404219993
1116a90093113
1282751071b5
133cca1b7c45
1420a3a08d29
151182ae34e8
hex9df7d0c59

42404219993 has 8 divisors (see below), whose sum is σ = 43617547776. Its totient is φ = 41201218800.

The previous prime is 42404219959. The next prime is 42404220017. The reversal of 42404219993 is 39991240424.

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

It is a cyclic number.

It is not a de Polignac number, because 42404219993 - 26 = 42404219929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42404219393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573318 + ... + 2589743.

It is an arithmetic number, because the mean of its divisors is an integer number (5452193472).

Almost surely, 242404219993 is an apocalyptic number.

42404219993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42404219993 is a deficient number, since it is larger than the sum of its proper divisors (1213327783).

42404219993 is a wasteful number, since it uses less digits than its factorization.

42404219993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163295.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 42404219993 in words is "forty-two billion, four hundred four million, two hundred nineteen thousand, nine hundred ninety-three".

Divisors: 1 43 191 8213 5163061 222011623 986144651 42404219993