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8133606061 = 74787242729
BaseRepresentation
bin1111001001100110…
…01111101010101101
3202222211210222221221
413210303033222231
5113124200343221
63423031223341
7405362340130
oct74463175255
922884728857
108133606061
1134a4232689
1216abb17b51
139c8122069
14572326217
153290dc541
hex1e4ccfaad

8133606061 has 8 divisors (see below), whose sum is σ = 9297529920. Its totient is φ = 6970177248.

The previous prime is 8133606043. The next prime is 8133606071. The reversal of 8133606061 is 1606063318.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8133606061 - 25 = 8133606029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133606071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87856 + ... + 154873.

It is an arithmetic number, because the mean of its divisors is an integer number (1162191240).

Almost surely, 28133606061 is an apocalyptic number.

It is an amenable number.

8133606061 is a deficient number, since it is larger than the sum of its proper divisors (1163923859).

8133606061 is a wasteful number, since it uses less digits than its factorization.

8133606061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247523.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 8133606061 is about 90186.5070894754. The cubic root of 8133606061 is about 2011.0724259860.

Adding to 8133606061 its reverse (1606063318), we get a palindrome (9739669379).

The spelling of 8133606061 in words is "eight billion, one hundred thirty-three million, six hundred six thousand, sixty-one".

Divisors: 1 7 4787 33509 242729 1699103 1161943723 8133606061