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7133023061 = 51659138079
BaseRepresentation
bin1101010010010100…
…10100101101010101
3200102010001010010022
412221022110231111
5104102023214221
63135445234525
7341522460413
oct65112245525
920363033108
107133023061
11303045088a
121470a02a45
13898a3c708
144b94a62b3
152bb3434ab
hex1a9294b55

7133023061 has 4 divisors (see below), whose sum is σ = 7133212800. Its totient is φ = 7132833324.

The previous prime is 7133023057. The next prime is 7133023067. The reversal of 7133023061 is 1603203317.

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: 1603203317 = 2955282873.

It is a cyclic number.

It is not a de Polignac number, because 7133023061 - 22 = 7133023057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7133023061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7133023067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17381 + ... + 120698.

It is an arithmetic number, because the mean of its divisors is an integer number (1783303200).

Almost surely, 27133023061 is an apocalyptic number.

It is an amenable number.

7133023061 is a deficient number, since it is larger than the sum of its proper divisors (189739).

7133023061 is a wasteful number, since it uses less digits than its factorization.

7133023061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189738.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 7133023061 is about 84457.2262213246. The cubic root of 7133023061 is about 1924.9725580841.

Adding to 7133023061 its reverse (1603203317), we get a palindrome (8736226378).

The spelling of 7133023061 in words is "seven billion, one hundred thirty-three million, twenty-three thousand, sixty-one".

Divisors: 1 51659 138079 7133023061