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1051125800 = 23525255629
BaseRepresentation
bin111110101001101…
…110100000101000
32201020212201112012
4332221232200220
54123042011200
6252145135052
735022264464
oct7651564050
92636781465
101051125800
1149a37340a
1225402a488
131399cab3a
149d8594a4
156242ea35
hex3ea6e828

1051125800 has 24 divisors (see below), whose sum is σ = 2443867950. Its totient is φ = 420450240.

The previous prime is 1051125781. The next prime is 1051125811. The reversal of 1051125800 is 85211501.

1051125800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 761649604 + 289476196 = 27598^2 + 17014^2 .

It is a super-2 number, since 2×10511258002 = 2209730894851280000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2627615 + ... + 2628014.

Almost surely, 21051125800 is an apocalyptic number.

1051125800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051125800 is an abundant number, since it is smaller than the sum of its proper divisors (1392742150).

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

1051125800 is a wasteful number, since it uses less digits than its factorization.

1051125800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255645 (or 5255636 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 1051125800 is about 32421.0703092911. The cubic root of 1051125800 is about 1016.7594838966.

The spelling of 1051125800 in words is "one billion, fifty-one million, one hundred twenty-five thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 5255629 10511258 21022516 26278145 42045032 52556290 105112580 131390725 210225160 262781450 525562900 1051125800