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7140250000 = 2456134
BaseRepresentation
bin1101010011001011…
…11001000110010000
3200102121122021121201
412221211321012100
5104110401000000
63140304200544
7341641060252
oct65145710620
920377567551
107140250000
113034537564
121473309154
1389a3a0000
144ba427cd2
152bbcbe96a
hex1a9979190

7140250000 has 175 divisors, whose sum is σ = 18733568801. Its totient is φ = 2636400000.

The previous prime is 7140249979. The next prime is 7140250001. The reversal of 7140250000 is 520417.

The square root of 7140250000 is 84500.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 17 ways, for example, as 1195223184 + 5945026816 = 34572^2 + 77104^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7140250000.

It is not an unprimeable number, because it can be changed into a prime (7140250001) by changing a digit.

It is a polite number, since it can be written in 34 ways as a sum of consecutive naturals, for example, 549249994 + ... + 549250006.

Almost surely, 27140250000 is an apocalyptic number.

7140250000 is the 84500-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7140250000

7140250000 is an abundant number, since it is smaller than the sum of its proper divisors (11593318801).

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

7140250000 is an frugal number, since it uses more digits than its factorization.

7140250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The cubic root of 7140250000 is about 1925.6224444648.

Adding to 7140250000 its reverse (520417), we get a palindrome (7140770417).

The spelling of 7140250000 in words is "seven billion, one hundred forty million, two hundred fifty thousand".