Search a number
-
+
144187260840000 = 263454729532
BaseRepresentation
bin100000110010001100110110…
…011101101010100001000000
3200220112011112010020112210000
4200302030312131222201000
5122344331002233340000
61230354414014440000
742241120511132100
oct4062146635524100
9626464463215700
10144187260840000
1141a40523876604
1214208559b03000
13625ba534c2cb1
1427869b4881200
1511a0995340000
hex83233676a840

144187260840000 has 1575 divisors, whose sum is σ = 621951806867457. Its totient is φ = 32922505728000.

The previous prime is 144187260839977. The next prime is 144187260840017. The reversal of 144187260840000 is 48062781441.

The square root of 144187260840000 is 12007800.

It is a perfect power (a square), and thus also a powerful number.

144187260840000 is a `hidden beast` number, since 1 + 4 + 4 + 187 + 2 + 60 + 8 + 400 + 0 + 0 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 120463970969664 + 23723289870336 = 10975608^2 + 4870656^2 .

It is a tau number, because it is divible by the number of its divisors (1575).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 151298279524 + ... + 151298280476.

Almost surely, 2144187260840000 is an apocalyptic number.

144187260840000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144187260840000 is the 12007800-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144187260840000

144187260840000 is an abundant number, since it is smaller than the sum of its proper divisors (477764546027457).

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

144187260840000 is an frugal number, since it uses more digits than its factorization.

144187260840000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 144187260840000 in words is "one hundred forty-four trillion, one hundred eighty-seven billion, two hundred sixty million, eight hundred forty thousand".