Search a number
-
+
144247488737764 = 22172709208801349
BaseRepresentation
bin100000110011000100111100…
…010100110111000111100100
3200220201220222111122202111011
4200303010330110313013210
5122401322324104102024
61230442214223352004
742245352145615546
oct4063047424670744
9626656874582434
10144247488737764
1141a6401a960625
1214218168152604
136264631224619
1427898896d9696
1511a231caad094
hex83313c5371e4

144247488737764 has 12 divisors (see below), whose sum is σ = 252434568109500. Its totient is φ = 72123326420768.

The previous prime is 144247488737717. The next prime is 144247488737771. The reversal of 144247488737764 is 467737884742441.

It can be written as a sum of positive squares in 2 ways, for example, as 111618168502500 + 32629320235264 = 10564950^2 + 5712208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103709839 + ... + 105091510.

It is an arithmetic number, because the mean of its divisors is an integer number (21036214009125).

Almost surely, 2144247488737764 is an apocalyptic number.

It is an amenable number.

144247488737764 is a deficient number, since it is larger than the sum of its proper divisors (108187079371736).

144247488737764 is a wasteful number, since it uses less digits than its factorization.

144247488737764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208974062 (or 208974060 counting only the distinct ones).

The product of its digits is 5664669696, while the sum is 76.

The spelling of 144247488737764 in words is "one hundred forty-four trillion, two hundred forty-seven billion, four hundred eighty-eight million, seven hundred thirty-seven thousand, seven hundred sixty-four".

Divisors: 1 2 4 172709 345418 690836 208801349 417602698 835205396 36061872184441 72123744368882 144247488737764