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42025001839 = 235334474981
BaseRepresentation
bin100111001000111000…
…101010001101101111
311000110210110021210121
4213020320222031233
51142031400024324
631150033345411
73015263423152
oct471070521557
9130423407717
1042025001839
1116906021987
12818a108267
133c697718c2
1420694d3c99
15115e6875e4
hex9c8e2a36f

42025001839 has 8 divisors (see below), whose sum is σ = 44679576672. Its totient is φ = 39439377120.

The previous prime is 42025001813. The next prime is 42025001849. The reversal of 42025001839 is 93810052024.

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 42025001839 - 211 = 42024999791 is a prime.

It is a super-2 number, since 2×420250018392 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025001849) 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, 17236272 + ... + 17238709.

It is an arithmetic number, because the mean of its divisors is an integer number (5584947084).

Almost surely, 242025001839 is an apocalyptic number.

42025001839 is a deficient number, since it is larger than the sum of its proper divisors (2654574833).

42025001839 is a wasteful number, since it uses less digits than its factorization.

42025001839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34475057.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 42025001839 in words is "forty-two billion, twenty-five million, one thousand, eight hundred thirty-nine".

Divisors: 1 23 53 1219 34474981 792924563 1827173993 42025001839