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142342243241 = 11101128120831
BaseRepresentation
bin1000010010010001000…
…0100100001110101001
3111121102002001011102212
42010210100210032221
54313004103240431
6145220252134505
713166242050542
oct2044420441651
9447362034385
10142342243241
1155404538160
1223706167435
1310565c07a43
146c647354c9
153a8168972b
hex21244243a9

142342243241 has 8 divisors (see below), whose sum is σ = 156819898368. Its totient is φ = 128120830000.

The previous prime is 142342243237. The next prime is 142342243289.

It is a happy number.

142342243241 is nontrivially palindromic in base 10.

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 142342243241 - 22 = 142342243237 is a prime.

It is a super-2 number, since 2×1423422432412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142342243198 and 142342243207.

It is not an unprimeable number, because it can be changed into a prime (142342243291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64059305 + ... + 64061526.

It is an arithmetic number, because the mean of its divisors is an integer number (19602487296).

Almost surely, 2142342243241 is an apocalyptic number.

142342243241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142342243241 is a deficient number, since it is larger than the sum of its proper divisors (14477655127).

142342243241 is a wasteful number, since it uses less digits than its factorization.

142342243241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128120943.

The product of its digits is 36864, while the sum is 32.

It can be divided in two parts, 142342 and 243241, that added together give a palindrome (385583).

The spelling of 142342243241 in words is "one hundred forty-two billion, three hundred forty-two million, two hundred forty-three thousand, two hundred forty-one".

Divisors: 1 11 101 1111 128120831 1409329141 12940203931 142342243241