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10007770000 = 24541000777
BaseRepresentation
bin10010101001000001…
…00111001110010000
3221211110101101120011
421110200213032100
5130443442120000
64333021124304
7503000433004
oct112440471620
927743341504
1010007770000
1142761417a8
121b336b9694
13c364aacc7
146ad1c6704
153d88e52ba
hex254827390

10007770000 has 50 divisors (see below), whose sum is σ = 24229836158. Its totient is φ = 4003104000.

The previous prime is 10007769977. The next prime is 10007770009. The reversal of 10007770000 is 7770001.

It can be written as a sum of positive squares in 5 ways, for example, as 2142208656 + 7865561344 = 46284^2 + 88688^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10007770009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 490389 + ... + 510388.

Almost surely, 210007770000 is an apocalyptic number.

10007770000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10007770000 is an abundant number, since it is smaller than the sum of its proper divisors (14222066158).

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

10007770000 is an equidigital number, since it uses as much as digits as its factorization.

10007770000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000805 (or 1000784 counting only the distinct ones).

The product of its (nonzero) digits is 343, while the sum is 22.

Subtracting from 10007770000 its reverse (7770001), we obtain a palindrome (9999999999).

The spelling of 10007770000 in words is "ten billion, seven million, seven hundred seventy thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 1000777 2001554 4003108 5003885 8006216 10007770 16012432 20015540 25019425 40031080 50038850 80062160 100077700 125097125 200155400 250194250 400310800 500388500 625485625 1000777000 1250971250 2001554000 2501942500 5003885000 10007770000