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144851641781007 = 37191973425953791
BaseRepresentation
bin100000111011110111100110…
…101001110100101100001111
3200222212200101222012021021210
4200323313212221310230033
5122441222130243443012
61232023531532025503
742340120501013430
oct4073674651645417
9628780358167253
10144851641781007
1142177266568a67
12142b5275902293
1362a95b33c9665
1427aabdd371487
1511b2dcc33223c
hex83bde6a74b0f

144851641781007 has 64 divisors (see below), whose sum is σ = 233534051942400. Its totient is φ = 78014148347520.

The previous prime is 144851641780943. The next prime is 144851641781017. The reversal of 144851641781007 is 700187146158441.

It is not a de Polignac number, because 144851641781007 - 26 = 144851641780943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144851641781017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2692833282 + ... + 2692887072.

It is an arithmetic number, because the mean of its divisors is an integer number (3648969561600).

Almost surely, 2144851641781007 is an apocalyptic number.

144851641781007 is a deficient number, since it is larger than the sum of its proper divisors (88682410161393).

144851641781007 is a wasteful number, since it uses less digits than its factorization.

144851641781007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88276.

The product of its (nonzero) digits is 6021120, while the sum is 57.

The spelling of 144851641781007 in words is "one hundred forty-four trillion, eight hundred fifty-one billion, six hundred forty-one million, seven hundred eighty-one thousand, seven".

Divisors: 1 3 7 19 21 57 133 197 399 591 1379 3743 4137 11229 26201 34259 53791 78603 102777 161373 239813 376537 650921 719439 1022029 1129611 1952763 3066087 4556447 6749023 7154203 10596827 13669341 20247069 21462609 31790481 47243161 74177789 128231437 141729483 201339713 222533367 384694311 604019139 897620059 1409377991 1842825869 2692860177 4228133973 5528477607 12899781083 35013691511 38699343249 105041074533 245095840577 363036696193 735287521731 1089110088579 2541256873351 6897697227667 7623770620053 20693091683001 48283880593669 144851641781007