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10551550005 = 325234478889
BaseRepresentation
bin10011101001110101…
…11110000000110101
31000020100121021111100
421310322332000311
5133102144100010
64503004200313
7522322460313
oct116472760065
930210537440
1010551550005
114525090767
122065839099
13cc2051319
147214d70b3
1541b50a2c0
hex274ebe035

10551550005 has 12 divisors (see below), whose sum is σ = 18289353420. Its totient is φ = 5627493312.

The previous prime is 10551549977. The next prime is 10551550049. The reversal of 10551550005 is 50005515501.

10551550005 is a `hidden beast` number, since 105 + 5 + 1 + 550 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7115597316 + 3435952689 = 84354^2 + 58617^2 .

It is not a de Polignac number, because 10551550005 - 211 = 10551547957 is a prime.

It is a super-2 number, since 2×105515500052 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117239400 + ... + 117239489.

It is an arithmetic number, because the mean of its divisors is an integer number (1524112785).

Almost surely, 210551550005 is an apocalyptic number.

10551550005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10551550005 is a deficient number, since it is larger than the sum of its proper divisors (7737803415).

10551550005 is a wasteful number, since it uses less digits than its factorization.

10551550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234478900 (or 234478897 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 10551550005 in words is "ten billion, five hundred fifty-one million, five hundred fifty thousand, five".

Divisors: 1 3 5 9 15 45 234478889 703436667 1172394445 2110310001 3517183335 10551550005