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10507678538 = 272692790143
BaseRepresentation
bin10011100100100111…
…00111001101001010
31000010022001101011012
421302103213031022
5133004431203123
64454400003522
7521250536210
oct116223471512
930108041135
1010507678538
114502346455
1220530005a2
13cb5c30586
14719756cb0
15417741378
hex2724e734a

10507678538 has 16 divisors (see below), whose sum is σ = 18080133120. Its totient is φ = 4486548336.

The previous prime is 10507678537. The next prime is 10507678549. The reversal of 10507678538 is 83587670501.

10507678538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105076785382 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10507678537) 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 7 ways as a sum of consecutive naturals, for example, 1391306 + ... + 1398837.

It is an arithmetic number, because the mean of its divisors is an integer number (1130008320).

Almost surely, 210507678538 is an apocalyptic number.

10507678538 is a deficient number, since it is larger than the sum of its proper divisors (7572454582).

10507678538 is a wasteful number, since it uses less digits than its factorization.

10507678538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790421.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 10507678538 in words is "ten billion, five hundred seven million, six hundred seventy-eight thousand, five hundred thirty-eight".

Divisors: 1 2 7 14 269 538 1883 3766 2790143 5580286 19531001 39062002 750548467 1501096934 5253839269 10507678538