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7155006133 = 11650455103
BaseRepresentation
bin1101010100111100…
…01011101010110101
3200110122101222020011
412222132023222311
5104123140144013
63141552340221
7342210356122
oct65236135265
920418358204
107155006133
1130418a6010
121478244671
138a0468652
144bc389749
152bd236c3d
hex1aa78bab5

7155006133 has 4 divisors (see below), whose sum is σ = 7805461248. Its totient is φ = 6504551020.

The previous prime is 7155006127. The next prime is 7155006161. The reversal of 7155006133 is 3316005517.

7155006133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3316005517 = 11301455047.

It is not a de Polignac number, because 7155006133 - 229 = 6618135221 is a prime.

It is a super-2 number, since 2×71550061332 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7155006095 and 7155006104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7155007133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325227541 + ... + 325227562.

It is an arithmetic number, because the mean of its divisors is an integer number (1951365312).

Almost surely, 27155006133 is an apocalyptic number.

It is an amenable number.

7155006133 is a deficient number, since it is larger than the sum of its proper divisors (650455115).

7155006133 is a wasteful number, since it uses less digits than its factorization.

7155006133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650455114.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 7155006133 is about 84587.2693317381. The cubic root of 7155006133 is about 1926.9480371378.

The spelling of 7155006133 in words is "seven billion, one hundred fifty-five million, six thousand, one hundred thirty-three".

Divisors: 1 11 650455103 7155006133