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142421420019 = 3232064078551
BaseRepresentation
bin1000010010100011111…
…0100110011111110011
3111121121121000202120010
42010220332212133303
54313134340420034
6145232201150003
713201223044614
oct2045076463763
9447547022503
10142421420019
11554451a690a
122372878b303
131057943a4c8
146c71065c0b
153a885c93e9
hex2128fa67f3

142421420019 has 8 divisors (see below), whose sum is σ = 198151540992. Its totient is φ = 90819456200.

The previous prime is 142421420017. The next prime is 142421420039. The reversal of 142421420019 is 910024124241.

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 142421420019 - 21 = 142421420017 is a prime.

It is a super-2 number, since 2×1424214200192 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142421420017) 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, 1032039207 + ... + 1032039344.

It is an arithmetic number, because the mean of its divisors is an integer number (24768942624).

Almost surely, 2142421420019 is an apocalyptic number.

142421420019 is a deficient number, since it is larger than the sum of its proper divisors (55730120973).

142421420019 is a wasteful number, since it uses less digits than its factorization.

142421420019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064078577.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 142421420019 in words is "one hundred forty-two billion, four hundred twenty-one million, four hundred twenty thousand, nineteen".

Divisors: 1 3 23 69 2064078551 6192235653 47473806673 142421420019