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144893380912 = 2474051319351
BaseRepresentation
bin1000011011110001010…
…0011000100100110000
3111211222212110101102021
42012330110120210300
54333220201142122
6150321344001224
713316410262650
oct2067424304460
9454885411367
10144893380912
11564a35996a5
12240b8600214
1310881600367
147027498360
153b806171c7
hex21bc518930

144893380912 has 40 divisors (see below), whose sum is σ = 320915547392. Its totient is φ = 62081640000.

The previous prime is 144893380909. The next prime is 144893380913. The reversal of 144893380912 is 219083398441.

It is a self number, because there is not a number n which added to its sum of digits gives 144893380912.

It is not an unprimeable number, because it can be changed into a prime (144893380913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294037 + ... + 613387.

Almost surely, 2144893380912 is an apocalyptic number.

It is an amenable number.

144893380912 is an abundant number, since it is smaller than the sum of its proper divisors (176022166480).

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

144893380912 is a wasteful number, since it uses less digits than its factorization.

144893380912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323417 (or 323411 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 144893380912 in words is "one hundred forty-four billion, eight hundred ninety-three million, three hundred eighty thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 4051 8102 16204 28357 32408 56714 64816 113428 226856 319351 453712 638702 1277404 2235457 2554808 4470914 5109616 8941828 17883656 35767312 1293690901 2587381802 5174763604 9055836307 10349527208 18111672614 20699054416 36223345228 72446690456 144893380912