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144440683468 = 22231831857459
BaseRepresentation
bin1000011010000101010…
…1011110101111001100
3111210211022121222021021
42012201111132233030
54331303303332333
6150204413043524
713302242360224
oct2064125365714
9453738558237
10144440683468
1156291000384
1223bb0a865a4
131080b89a953
146dc32d7084
153b559e482d
hex21a155ebcc

144440683468 has 24 divisors (see below), whose sum is σ = 263905608960. Its totient is φ = 69042518160.

The previous prime is 144440683441. The next prime is 144440683487. The reversal of 144440683468 is 864386044441.

144440683468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1444406834682 (a number of 23 digits) contains 22 as substring.

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, 260278 + ... + 597181.

It is an arithmetic number, because the mean of its divisors is an integer number (10996067040).

Almost surely, 2144440683468 is an apocalyptic number.

It is an amenable number.

144440683468 is a deficient number, since it is larger than the sum of its proper divisors (119464925492).

144440683468 is a wasteful number, since it uses less digits than its factorization.

144440683468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859317 (or 859315 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 52.

The spelling of 144440683468 in words is "one hundred forty-four billion, four hundred forty million, six hundred eighty-three thousand, four hundred sixty-eight".

Divisors: 1 2 4 23 46 92 1831 3662 7324 42113 84226 168452 857459 1714918 3429836 19721557 39443114 78886228 1570007429 3140014858 6280029716 36110170867 72220341734 144440683468