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42247431341255 = 5743153311831021
BaseRepresentation
bin10011001101100011111110…
…01000110100010011000111
312112120211000010111100000202
421212301333020310103013
521014140214410410010
6225504111345401115
711620163506203410
oct1146617710642307
9175524003440022
1042247431341255
1112509042670838
1248a3a0333919b
131a75bb999c3aa
14a60b02576807
154d3e452746a5
hex266c7f2344c7

42247431341255 has 32 divisors (see below), whose sum is σ = 59290660290048. Its totient is φ = 28294092892800.

The previous prime is 42247431341249. The next prime is 42247431341267. The reversal of 42247431341255 is 55214313474224.

It is not a de Polignac number, because 42247431341255 - 212 = 42247431337159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22157645 + ... + 23988665.

It is an arithmetic number, because the mean of its divisors is an integer number (1852833134064).

Almost surely, 242247431341255 is an apocalyptic number.

42247431341255 is a deficient number, since it is larger than the sum of its proper divisors (17043228948793).

42247431341255 is a wasteful number, since it uses less digits than its factorization.

42247431341255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846407.

The product of its digits is 3225600, while the sum is 47.

The spelling of 42247431341255 in words is "forty-two trillion, two hundred forty-seven billion, four hundred thirty-one million, three hundred forty-one thousand, two hundred fifty-five".

Divisors: 1 5 7 35 43 215 301 1505 15331 76655 107317 536585 659233 1831021 3296165 4614631 9155105 12817147 23073155 64085735 78733903 393669515 551137321 2755686605 28071382951 140356914755 196499680657 982498403285 1207069466893 6035347334465 8449486268251 42247431341255