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7143379740 = 223357338567
BaseRepresentation
bin1101010011100011…
…10101001100011100
3200102211112021211000
412221301311030130
5104112201122430
63140455230300
7342006504000
oct65161651434
920384467730
107143379740
113036284a22
121474378390
1389ac27723
144baa00700
152bc1dbe60
hex1a9c7531c

7143379740 has 192 divisors, whose sum is σ = 25917696000. Its totient is φ = 1632730176.

The previous prime is 7143379723. The next prime is 7143379751. The reversal of 7143379740 is 479733417.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 165937 + ... + 204503.

It is an arithmetic number, because the mean of its divisors is an integer number (134988000).

Almost surely, 27143379740 is an apocalyptic number.

7143379740 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7143379740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12958848000).

7143379740 is an abundant number, since it is smaller than the sum of its proper divisors (18774316260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7143379740 is a wasteful number, since it uses less digits than its factorization.

7143379740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38606 (or 38584 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 7143379740 is about 84518.5171426948. The cubic root of 7143379740 is about 1925.9037519473.

The spelling of 7143379740 in words is "seven billion, one hundred forty-three million, three hundred seventy-nine thousand, seven hundred forty".