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144448348402 = 22331439230743
BaseRepresentation
bin1000011010000111001…
…0101110000011110010
3111210211212001101120201
42012201302232003302
54331312234122102
6150205245225414
713302364463041
oct2064162560362
9453755041521
10144448348402
1156295366136
1223bb356226a
1310810352707
146dc4330558
153b5650a987
hex21a1cae0f2

144448348402 has 32 divisors (see below), whose sum is σ = 233919037440. Its totient is φ = 66702897360.

The previous prime is 144448348397. The next prime is 144448348403. The reversal of 144448348402 is 204843844441.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (144448348403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510643 + ... + 741385.

It is an arithmetic number, because the mean of its divisors is an integer number (7309969920).

Almost surely, 2144448348402 is an apocalyptic number.

144448348402 is a deficient number, since it is larger than the sum of its proper divisors (89470689038).

144448348402 is a wasteful number, since it uses less digits than its factorization.

144448348402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231238.

The product of its (nonzero) digits is 1572864, while the sum is 46.

The spelling of 144448348402 in words is "one hundred forty-four billion, four hundred forty-eight million, three hundred forty-eight thousand, four hundred two".

Divisors: 1 2 23 31 46 62 439 713 878 1426 10097 13609 20194 27218 230743 313007 461486 626014 5307089 7153033 10614178 14306066 101296177 164519759 202592354 329039518 2329812071 3140181487 4659624142 6280362974 72224174201 144448348402