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7143372949 = 23343377069
BaseRepresentation
bin1101010011100011…
…10011100010010101
3200102211111221111111
412221301303202111
5104112200413244
63140455135021
7342006445126
oct65161634225
920384457444
107143372949
11303627a909
121474374471
1389ac245cb
144ba9dc04d
152bc1d9e34
hex1a9c73895

7143372949 has 8 divisors (see below), whose sum is σ = 7176700440. Its totient is φ = 7110068736.

The previous prime is 7143372923. The next prime is 7143372967. The reversal of 7143372949 is 9492733417.

It can be written as a sum of positive squares in 4 ways, for example, as 232776049 + 6910596900 = 15257^2 + 83130^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7143372949 - 25 = 7143372917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143372989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006987 + ... + 1014055.

It is an arithmetic number, because the mean of its divisors is an integer number (897087555).

Almost surely, 27143372949 is an apocalyptic number.

It is an amenable number.

7143372949 is a deficient number, since it is larger than the sum of its proper divisors (33327491).

7143372949 is a wasteful number, since it uses less digits than its factorization.

7143372949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11639.

The product of its digits is 1143072, while the sum is 49.

The square root of 7143372949 is about 84518.4769680571. The cubic root of 7143372949 is about 1925.9031416472.

The spelling of 7143372949 in words is "seven billion, one hundred forty-three million, three hundred seventy-two thousand, nine hundred forty-nine".

Divisors: 1 233 4337 7069 1010521 1647077 30658253 7143372949