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120142424445 = 3515178767399
BaseRepresentation
bin110111111100100001…
…0111110100101111101
3102111002221011112002220
41233321002332211331
53432022430040240
6131105341035553
711452145521011
oct1577102764575
9374087145086
10120142424445
1146a522a277a
121b34b555bb9
13b4388630a4
145b5a21c541
1531d273a5d0
hex1bf90be97d

120142424445 has 32 divisors (see below), whose sum is σ = 193749657600. Its totient is φ = 63569793600.

The previous prime is 120142424419. The next prime is 120142424477. The reversal of 120142424445 is 544424241021.

It is not a de Polignac number, because 120142424445 - 27 = 120142424317 is a prime.

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, 1748856 + ... + 1816254.

It is an arithmetic number, because the mean of its divisors is an integer number (6054676800).

Almost surely, 2120142424445 is an apocalyptic number.

120142424445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120142424445 is a deficient number, since it is larger than the sum of its proper divisors (73607233155).

120142424445 is a wasteful number, since it uses less digits than its factorization.

120142424445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68345.

The product of its (nonzero) digits is 40960, while the sum is 33.

Adding to 120142424445 its reverse (544424241021), we get a palindrome (664566665466).

The spelling of 120142424445 in words is "one hundred twenty billion, one hundred forty-two million, four hundred twenty-four thousand, four hundred forty-five".

Divisors: 1 3 5 15 151 453 755 787 2265 2361 3935 11805 67399 118837 202197 336995 356511 594185 1010985 1782555 10177249 30531747 50886245 53043013 152658735 159129039 265215065 795645195 8009494963 24028484889 40047474815 120142424445