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7142943585 = 353115361169
BaseRepresentation
bin1101010011100000…
…01010101101100001
3200102210201010112010
412221300022231201
5104112043143320
63140442023133
7342003006261
oct65160125541
920383633463
107142943585
113036007268
1214741a7aa9
1389ab0404b
144ba9297a1
152bc152ae0
hex1a9c0ab61

7142943585 has 16 divisors (see below), whose sum is σ = 11797378560. Its totient is φ = 3686680320.

The previous prime is 7142943583. The next prime is 7142943589. The reversal of 7142943585 is 5853492417.

It is not a de Polignac number, because 7142943585 - 21 = 7142943583 is a prime.

It is a super-3 number, since 3×71429435853 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7142943583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7680120 + ... + 7681049.

It is an arithmetic number, because the mean of its divisors is an integer number (737336160).

Almost surely, 27142943585 is an apocalyptic number.

It is an amenable number.

7142943585 is a deficient number, since it is larger than the sum of its proper divisors (4654434975).

7142943585 is a wasteful number, since it uses less digits than its factorization.

7142943585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15361208.

The product of its digits is 1209600, while the sum is 48.

The square root of 7142943585 is about 84515.9368699182. The cubic root of 7142943585 is about 1925.8645543649.

The spelling of 7142943585 in words is "seven billion, one hundred forty-two million, nine hundred forty-three thousand, five hundred eighty-five".

Divisors: 1 3 5 15 31 93 155 465 15361169 46083507 76805845 230417535 476196239 1428588717 2380981195 7142943585