Search a number
-
+
142543015541441 = 4761791036110179
BaseRepresentation
bin100000011010010001100001…
…110011100111101011000001
3200200200222102211122000111022
4200122101201303213223001
5122140411043434311231
61223055205103355225
742011251543526354
oct4032214163475301
9620628384560438
10142543015541441
1141467176203479
1213ba195b5b2b15
13616c996b3b528
14272b193c5c29b
151172d0e6e7c7b
hex81a461ce7ac1

142543015541441 has 32 divisors (see below), whose sum is σ = 151290012057600. Its totient is φ = 134170710223680.

The previous prime is 142543015541393. The next prime is 142543015541447. The reversal of 142543015541441 is 144145510345241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142543015541441 is a prime.

It is a super-2 number, since 2×1425430155414412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142543015541392 and 142543015541401.

It is not an unprimeable number, because it can be changed into a prime (142543015541447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20273690 + ... + 26383868.

It is an arithmetic number, because the mean of its divisors is an integer number (4727812876800).

Almost surely, 2142543015541441 is an apocalyptic number.

It is an amenable number.

142543015541441 is a deficient number, since it is larger than the sum of its proper divisors (8746996516159).

142543015541441 is a wasteful number, since it uses less digits than its factorization.

142543015541441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110469.

The product of its (nonzero) digits is 768000, while the sum is 44.

Adding to 142543015541441 its reverse (144145510345241), we get a palindrome (286688525886682).

The spelling of 142543015541441 in words is "one hundred forty-two trillion, five hundred forty-three billion, fifteen million, five hundred forty-one thousand, four hundred forty-one".

Divisors: 1 47 61 79 103 2867 3713 4819 4841 6283 8137 226493 295301 382439 496357 6110179 23328779 287178413 372720919 482704141 629348437 17517883193 22687094627 29444952601 29579376539 38390254657 49718526523 1383912772247 1804341968879 2336770746581 3032830117903 142543015541441