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144468036778 = 2136938980077
BaseRepresentation
bin1000011010001011110…
…1110100110010101010
3111210220020002122221211
42012202331310302222
54331332304134103
6150211231223334
713303024023412
oct2064275646252
9453806078854
10144468036778
11562a549331a
1223bba077b4a
1310814457040
146dc6bb7642
153b580e936d
hex21a2f74caa

144468036778 has 16 divisors (see below), whose sum is σ = 233377721640. Its totient is φ = 66675761856.

The previous prime is 144468036707. The next prime is 144468036803. The reversal of 144468036778 is 877630864441.

It is a happy number.

144468036778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106561114969 + 37906921809 = 326437^2 + 194697^2 .

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 7 ways as a sum of consecutive naturals, for example, 1764076 + ... + 1844152.

Almost surely, 2144468036778 is an apocalyptic number.

144468036778 is a deficient number, since it is larger than the sum of its proper divisors (88909684862).

144468036778 is a wasteful number, since it uses less digits than its factorization.

144468036778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149481.

The product of its (nonzero) digits is 21676032, while the sum is 58.

The spelling of 144468036778 in words is "one hundred forty-four billion, four hundred sixty-eight million, thirty-six thousand, seven hundred seventy-eight".

Divisors: 1 2 13 26 69389 80077 138778 160154 902057 1041001 1804114 2082002 5556462953 11112925906 72234018389 144468036778