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10500544240 = 245131256803
BaseRepresentation
bin10011100011110000…
…11001011011110000
31000002210121220201221
421301320121123300
5133001114403430
64453543034424
7521133103414
oct116170313360
930083556657
1010500544240
1144a931333a
12205073ba14
13cb46031b4
1471881ad44
15416cd257a
hex271e196f0

10500544240 has 20 divisors (see below), whose sum is σ = 24413765544. Its totient is φ = 4200217664.

The previous prime is 10500544231. The next prime is 10500544253. The reversal of 10500544240 is 4244500501.

It is a happy number.

10500544240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×105005442402 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 65628322 + ... + 65628481.

Almost surely, 210500544240 is an apocalyptic number.

10500544240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10500544240 is an abundant number, since it is smaller than the sum of its proper divisors (13913221304).

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

10500544240 is a wasteful number, since it uses less digits than its factorization.

10500544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131256816 (or 131256810 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 10500544240 in words is "ten billion, five hundred million, five hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 131256803 262513606 525027212 656284015 1050054424 1312568030 2100108848 2625136060 5250272120 10500544240