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145005511430223 = 3261835077626797
BaseRepresentation
bin100000111110000110111001…
…111111111101000001001111
3201000102101120102002022221200
4200332012321333331001033
5123001232241411231343
61232222340132400543
742354205515320013
oct4076067177750117
9630371512068850
10145005511430223
1142226545a09914
121431b058476153
1362bac6558b182
1427b4438a24543
1511b6dd59d94d3
hex83e1b9ffd04f

145005511430223 has 48 divisors (see below), whose sum is σ = 215493724039776. Its totient is φ = 93921318961920.

The previous prime is 145005511430173. The next prime is 145005511430237. The reversal of 145005511430223 is 322034115500541.

145005511430223 is a `hidden beast` number, since 1 + 4 + 50 + 0 + 551 + 1 + 4 + 30 + 2 + 23 = 666.

It is not a de Polignac number, because 145005511430223 - 28 = 145005511429967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145005511430123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231030261 + ... + 231657057.

It is an arithmetic number, because the mean of its divisors is an integer number (4489452584162).

Almost surely, 2145005511430223 is an apocalyptic number.

145005511430223 is a deficient number, since it is larger than the sum of its proper divisors (70488212609553).

145005511430223 is a wasteful number, since it uses less digits than its factorization.

145005511430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632024 (or 632021 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 145005511430223 its reverse (322034115500541), we get a palindrome (467039626930764).

The spelling of 145005511430223 in words is "one hundred forty-five trillion, five billion, five hundred eleven million, four hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 9 61 83 183 249 549 747 5063 5077 15189 15231 45567 45693 309697 421391 626797 929091 1264173 1880391 2787273 3792519 5641173 25704851 38234617 52024151 77114553 114703851 156072453 231343659 344111553 468217359 3173473211 3182248369 9520419633 9546745107 28561258899 28640235321 194117150509 264126614627 582351451527 792379843881 1747054354581 2377139531643 16111723492247 48335170476741 145005511430223