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7140939550 = 252142818791
BaseRepresentation
bin1101010011010001…
…00001011100011110
3200102122221022111121
412221220201130132
5104111040031200
63140331041154
7341646661513
oct65150413436
920378838447
107140939550
113034968638
1214735a01ba
1389a581b24
144ba56730a
152bbda8e1a
hex1a9a2171e

7140939550 has 12 divisors (see below), whose sum is σ = 13282147656. Its totient is φ = 2856375800.

The previous prime is 7140939541. The next prime is 7140939557. The reversal of 7140939550 is 559390417.

It is a junction number, because it is equal to n+sod(n) for n = 7140939497 and 7140939506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140939557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71409346 + ... + 71409445.

It is an arithmetic number, because the mean of its divisors is an integer number (1106845638).

Almost surely, 27140939550 is an apocalyptic number.

7140939550 is a deficient number, since it is larger than the sum of its proper divisors (6141208106).

7140939550 is a wasteful number, since it uses less digits than its factorization.

7140939550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142818803 (or 142818798 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 7140939550 is about 84504.0800790116. The cubic root of 7140939550 is about 1925.6844296995.

The spelling of 7140939550 in words is "seven billion, one hundred forty million, nine hundred thirty-nine thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 142818791 285637582 714093955 1428187910 3570469775 7140939550