Search a number
-
+
143438137566204 = 2231323318975719141
BaseRepresentation
bin100000100111010011001011…
…001111001010001111111100
3200210212112220102122021200010
4200213103023033022033330
5122300042301204104304
61225022323135103220
742133030523305635
oct4047231317121774
9623775812567603
10143438137566204
1141781855260278
1214107332071b10
136206209b21450
14275c62b46888c
15118b24d873789
hex8274cb3ca3fc

143438137566204 has 384 divisors, whose sum is σ = 393139167805440. Its totient is φ = 40339598745600.

The previous prime is 143438137566169. The next prime is 143438137566211. The reversal of 143438137566204 is 402665731834341.

It is a happy number.

It is a super-2 number, since 2×1434381375662042 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7493754474 + ... + 7493773614.

It is an arithmetic number, because the mean of its divisors is an integer number (1023799916160).

Almost surely, 2143438137566204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143438137566204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196569583902720).

143438137566204 is an abundant number, since it is smaller than the sum of its proper divisors (249701030239236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143438137566204 is a wasteful number, since it uses less digits than its factorization.

143438137566204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20061 (or 20059 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 143438137566204 in words is "one hundred forty-three trillion, four hundred thirty-eight billion, one hundred thirty-seven million, five hundred sixty-six thousand, two hundred four".