Search a number
-
+
129160601 = 3110873833
BaseRepresentation
bin1111011001011…
…01010110011001
3100000001001000222
413230231112121
5231031114401
620452205425
73125563343
oct754552631
9300031028
10129160601
11669a92a9
1237309875
13209b36bb
1413222293
15b514c1b
hex7b2d599

129160601 has 8 divisors (see below), whose sum is σ = 133484544. Its totient is φ = 124846560.

The previous prime is 129160597. The next prime is 129160609. The reversal of 129160601 is 106061921.

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 129160601 - 22 = 129160597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129160609) 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, 31781 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (16685568).

Almost surely, 2129160601 is an apocalyptic number.

It is an amenable number.

129160601 is a deficient number, since it is larger than the sum of its proper divisors (4323943).

129160601 is a wasteful number, since it uses less digits than its factorization.

129160601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 129160601 is about 11364.8845572667. The cubic root of 129160601 is about 505.4870326768.

The spelling of 129160601 in words is "one hundred twenty-nine million, one hundred sixty thousand, six hundred one".

Divisors: 1 31 1087 3833 33697 118823 4166471 129160601