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144752261005 = 5117346777201
BaseRepresentation
bin1000011011001111101…
…0000011011110001101
3111211122000220202022001
42012303322003132031
54332423034323010
6150255343152301
713313044626442
oct2066372033615
9454560822261
10144752261005
1156430972180
12240792a5691
131085b2c0361
1470128419c9
153b7303dc3a
hex21b3e8378d

144752261005 has 32 divisors (see below), whose sum is σ = 192503495808. Its totient is φ = 103608576000.

The previous prime is 144752260997. The next prime is 144752261009. The reversal of 144752261005 is 500162257441.

It is not a de Polignac number, because 144752261005 - 23 = 144752260997 is a prime.

It is a super-2 number, since 2×1447522610052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144752261009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1836405 + ... + 1913605.

It is an arithmetic number, because the mean of its divisors is an integer number (6015734244).

Almost surely, 2144752261005 is an apocalyptic number.

It is an amenable number.

144752261005 is a deficient number, since it is larger than the sum of its proper divisors (47751234803).

144752261005 is a wasteful number, since it uses less digits than its factorization.

144752261005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77757.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 144752261005 in words is "one hundred forty-four billion, seven hundred fifty-two million, two hundred sixty-one thousand, five".

Divisors: 1 5 11 55 73 365 467 803 2335 4015 5137 25685 34091 77201 170455 375001 386005 849211 1875005 4246055 5635673 28178365 36052867 61992403 180264335 309962015 396581537 1982907685 2631859291 13159296455 28950452201 144752261005