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143254313405 = 57471494091429
BaseRepresentation
bin1000010101101010011…
…1110101100110111101
3111200202122021010111022
42011122213311212331
54321341101012110
6145450553033525
713230655400330
oct2053247654675
9450678233438
10143254313405
1155832363a55
122391b6b58a5
131067cb69328
146d0d914617
153ad679c755
hex215a9f59bd

143254313405 has 64 divisors (see below), whose sum is σ = 202625280000. Its totient is φ = 95196100608.

The previous prime is 143254313401. The next prime is 143254313429. The reversal of 143254313405 is 504313452341.

It is not a de Polignac number, because 143254313405 - 22 = 143254313401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143254313401) 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, 100247231 + ... + 100248659.

It is an arithmetic number, because the mean of its divisors is an integer number (3166020000).

Almost surely, 2143254313405 is an apocalyptic number.

It is an amenable number.

143254313405 is a deficient number, since it is larger than the sum of its proper divisors (59370966595).

143254313405 is a wasteful number, since it uses less digits than its factorization.

143254313405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 143254313405 its reverse (504313452341), we get a palindrome (647567765746).

The spelling of 143254313405 in words is "one hundred forty-three billion, two hundred fifty-four million, three hundred thirteen thousand, four hundred five".

Divisors: 1 5 7 35 47 149 235 329 409 745 1043 1429 1645 2045 2863 5215 7003 7145 10003 14315 19223 35015 49021 50015 60941 67163 96115 134561 212921 245105 304705 335815 426587 470141 584461 672805 1064605 1490447 2132935 2350705 2864227 2922305 4091227 7452235 10007287 14321135 20049589 20456135 27469667 50036435 70051009 87084689 100247945 137348335 192287669 350255045 435423445 609592823 961438345 3047964115 4092980383 20464901915 28650862681 143254313405