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10500243049 = 1941112911939
BaseRepresentation
bin10011100011101110…
…01111111001101001
31000002210001121120201
421301313033321221
5133001030234144
64453532352201
7521130410332
oct116167177151
930083047521
1010500243049
1144a912801a
122050615661
13cb452908a
1471877d289
15416c731d4
hex271dcfe69

10500243049 has 16 divisors (see below), whose sum is σ = 11333448000. Its totient is φ = 9695566080.

The previous prime is 10500242999. The next prime is 10500243067. The reversal of 10500243049 is 94034200501.

It is a cyclic number.

It is not a de Polignac number, because 10500243049 - 29 = 10500242537 is a prime.

It is a super-2 number, since 2×105002430492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10500243079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873522 + ... + 885460.

It is an arithmetic number, because the mean of its divisors is an integer number (708340500).

Almost surely, 210500243049 is an apocalyptic number.

10500243049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10500243049 is a deficient number, since it is larger than the sum of its proper divisors (833204951).

10500243049 is a wasteful number, since it uses less digits than its factorization.

10500243049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 10500243049 in words is "ten billion, five hundred million, two hundred forty-three thousand, forty-nine".

Divisors: 1 19 41 779 1129 11939 21451 46289 226841 489499 879491 9300481 13479131 256103489 552644371 10500243049