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10500050007 = 34877147811
BaseRepresentation
bin10011100011101101…
…00000110001010111
31000002202200210210000
421301312200301113
5133001003100012
64453524302343
7521125644456
oct116166406127
930082623700
1010500050007
1144a9005a87
1220505419b3
13cb448c255
1471872cb9d
15416c35ddc
hex271da0c57

10500050007 has 20 divisors (see below), whose sum is σ = 15703251256. Its totient is φ = 6992004240.

The previous prime is 10500049979. The next prime is 10500050027. The reversal of 10500050007 is 70005000501.

It is a happy number.

10500050007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10500050007 - 28 = 10500049751 is a prime.

It is a super-2 number, since 2×105000500072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500050027) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2869 + ... + 144942.

Almost surely, 210500050007 is an apocalyptic number.

10500050007 is a deficient number, since it is larger than the sum of its proper divisors (5203201249).

10500050007 is an equidigital number, since it uses as much as digits as its factorization.

10500050007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148700 (or 148691 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

Adding to 10500050007 its reverse (70005000501), we get a palindrome (80505050508).

The spelling of 10500050007 in words is "ten billion, five hundred million, fifty thousand, seven".

Divisors: 1 3 9 27 81 877 2631 7893 23679 71037 147811 443433 1330299 3990897 11972691 129630247 388890741 1166672223 3500016669 10500050007