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60130681 = 137165147
BaseRepresentation
bin1110010101100…
…0010101111001
311012010221210021
43211120111321
5110343140211
65544450441
71330050052
oct345302571
9135127707
1060130681
1130a40086
1218179a21
13c5c45b0
147db3729
15542b771
hex3958579

60130681 has 8 divisors (see below), whose sum is σ = 65669184. Its totient is φ = 54722640.

The previous prime is 60130663. The next prime is 60130709. The reversal of 60130681 is 18603106.

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 60130681 - 217 = 59999609 is a prime.

It is a super-2 number, since 2×601306812 = 7231397595047522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60130621) 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, 31651 + ... + 33496.

It is an arithmetic number, because the mean of its divisors is an integer number (8208648).

Almost surely, 260130681 is an apocalyptic number.

It is an amenable number.

60130681 is a deficient number, since it is larger than the sum of its proper divisors (5538503).

60130681 is a wasteful number, since it uses less digits than its factorization.

60130681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65231.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 60130681 is about 7754.3975265652. The cubic root of 60130681 is about 391.7707795854.

Adding to 60130681 its reverse (18603106), we get a palindrome (78733787).

The spelling of 60130681 in words is "sixty million, one hundred thirty thousand, six hundred eighty-one".

Divisors: 1 13 71 923 65147 846911 4625437 60130681