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8132495261 = 113373219187
BaseRepresentation
bin1111001001011110…
…00000011110011101
3202222202201120020012
413210233000132131
5113123404322021
63422551333005
7405350032502
oct74457003635
922882646205
108132495261
1134a3644070
1216ab681165
139c7b23597
145721174a9
15328e6d35b
hex1e4bc079d

8132495261 has 8 divisors (see below), whose sum is σ = 8874483744. Its totient is φ = 7390951920.

The previous prime is 8132495257. The next prime is 8132495291. The reversal of 8132495261 is 1625942318.

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

It is not a de Polignac number, because 8132495261 - 22 = 8132495257 is a prime.

It is a super-2 number, since 2×81324952612 (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 (8132495221) 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, 72491 + ... + 146696.

It is an arithmetic number, because the mean of its divisors is an integer number (1109310468).

Almost surely, 28132495261 is an apocalyptic number.

It is an amenable number.

8132495261 is a deficient number, since it is larger than the sum of its proper divisors (741988483).

8132495261 is a wasteful number, since it uses less digits than its factorization.

8132495261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222571.

The product of its digits is 103680, while the sum is 41.

The square root of 8132495261 is about 90180.3485300428. The cubic root of 8132495261 is about 2010.9808716400.

The spelling of 8132495261 in words is "eight billion, one hundred thirty-two million, four hundred ninety-five thousand, two hundred sixty-one".

Divisors: 1 11 3373 37103 219187 2411057 739317751 8132495261