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10551055109 = 78970923887
BaseRepresentation
bin10011101001110010…
…00101001100000101
31000020022200010121212
421310321011030011
5133102032230414
64502545421205
7522315326420
oct116471051405
930208603555
1010551055109
114524882961
12206563a805
13cc1c09c9a
147214089b7
1541b45d83e
hex274e45305

10551055109 has 16 divisors (see below), whose sum is σ = 12211545600. Its totient is φ = 8929160064.

The previous prime is 10551055063. The next prime is 10551055147. The reversal of 10551055109 is 90155015501.

It is a cyclic number.

It is not a de Polignac number, because 10551055109 - 28 = 10551054853 is a prime.

It is a super-2 number, since 2×105510551092 (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 (10551055409) 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, 429764 + ... + 453650.

It is an arithmetic number, because the mean of its divisors is an integer number (763221600).

Almost surely, 210551055109 is an apocalyptic number.

It is an amenable number.

10551055109 is a deficient number, since it is larger than the sum of its proper divisors (1660490491).

10551055109 is an equidigital number, since it uses as much as digits as its factorization.

10551055109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692.

The product of its (nonzero) digits is 5625, while the sum is 32.

The spelling of 10551055109 in words is "ten billion, five hundred fifty-one million, fifty-five thousand, one hundred nine".

Divisors: 1 7 89 623 709 4963 23887 63101 167209 441707 2125943 14881601 16935883 118551181 1507293587 10551055109