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8130061131 = 36833967819
BaseRepresentation
bin1111001001001011…
…01110001101001011
3202222121010220020020
413210211232031023
5113122243424011
63422423231523
7405320244063
oct74445561513
922877126206
108130061131
1134a2231295
1216aa8a85a3
139c748067a
14571a823a3
15328b3c006
hex1e496e34b

8130061131 has 8 divisors (see below), whose sum is σ = 10855955520. Its totient is φ = 5412103752.

The previous prime is 8130061123. The next prime is 8130061133. The reversal of 8130061131 is 1311600318.

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

It is not a de Polignac number, because 8130061131 - 23 = 8130061123 is a prime.

It is a super-2 number, since 2×81300611312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8130061133) 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, 1981861 + ... + 1985958.

It is an arithmetic number, because the mean of its divisors is an integer number (1356994440).

Almost surely, 28130061131 is an apocalyptic number.

8130061131 is a deficient number, since it is larger than the sum of its proper divisors (2725894389).

8130061131 is a wasteful number, since it uses less digits than its factorization.

8130061131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968505.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 8130061131 is about 90166.8516196501. The cubic root of 8130061131 is about 2010.7802166477.

Adding to 8130061131 its reverse (1311600318), we get a palindrome (9441661449).

The spelling of 8130061131 in words is "eight billion, one hundred thirty million, sixty-one thousand, one hundred thirty-one".

Divisors: 1 3 683 2049 3967819 11903457 2710020377 8130061131