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42042304101 = 372002014481
BaseRepresentation
bin100111001001111010…
…101010011001100101
311000112000000100001010
4213021322222121211
51142100312212401
631151452252433
73015563455110
oct471172523145
9130460010033
1042042304101
111691486a376
128193a71119
133c7021c125
14206b919577
151160e53ed6
hex9c9eaa665

42042304101 has 8 divisors (see below), whose sum is σ = 64064463424. Its totient is φ = 24024173760.

The previous prime is 42042304081. The next prime is 42042304111. The reversal of 42042304101 is 10140324024.

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

It is not a de Polignac number, because 42042304101 - 27 = 42042303973 is a prime.

It is a super-2 number, since 2×420423041012 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2002014481 = 42042304101 / (4 + 2 + 0 + 4 + 2 + 3 + 0 + 4 + 1 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042304111) 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 7 ways as a sum of consecutive naturals, for example, 1001007220 + ... + 1001007261.

It is an arithmetic number, because the mean of its divisors is an integer number (8008057928).

Almost surely, 242042304101 is an apocalyptic number.

It is an amenable number.

42042304101 is a deficient number, since it is larger than the sum of its proper divisors (22022159323).

42042304101 is a wasteful number, since it uses less digits than its factorization.

42042304101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002014491.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42042304101 its reverse (10140324024), we get a palindrome (52182628125).

The spelling of 42042304101 in words is "forty-two billion, forty-two million, three hundred four thousand, one hundred one".

Divisors: 1 3 7 21 2002014481 6006043443 14014101367 42042304101