Search a number
-
+
143223205123105 = 5157331820672537
BaseRepresentation
bin100000100100001011000000…
…010000111101010000100001
3200210010000010102022220010121
4200210023000100331100201
5122233032111002414410
61224335455423000241
742111351352552252
oct4044130020752041
9623100112286117
10143223205123105
11416a969051a608
1214091749739081
1361bbb75c7aa33
14275207c10ab29
15118586e4d19da
hex8242c043d421

143223205123105 has 8 divisors (see below), whose sum is σ = 171878770277352. Its totient is φ = 114571281345408.

The previous prime is 143223205123093. The next prime is 143223205123109. The reversal of 143223205123105 is 501321502322341.

It can be written as a sum of positive squares in 4 ways, for example, as 5192874748944 + 138030330374161 = 2278788^2 + 11748631^2 .

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 143223205123105 - 227 = 143223070905377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143223205123109) 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, 910257604 + ... + 910414933.

It is an arithmetic number, because the mean of its divisors is an integer number (21484846284669).

Almost surely, 2143223205123105 is an apocalyptic number.

It is an amenable number.

143223205123105 is a deficient number, since it is larger than the sum of its proper divisors (28655565154247).

143223205123105 is a wasteful number, since it uses less digits than its factorization.

143223205123105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820688275.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 143223205123105 its reverse (501321502322341), we get a palindrome (644544707445446).

The spelling of 143223205123105 in words is "one hundred forty-three trillion, two hundred twenty-three billion, two hundred five million, one hundred twenty-three thousand, one hundred five".

Divisors: 1 5 15733 78665 1820672537 9103362685 28644641024621 143223205123105