Search a number
-
+
129035451 = 3231870079
BaseRepresentation
bin1111011000011…
…10110010111011
322222210200100210
413230032302323
5231013113301
620445402203
73124532436
oct754166273
9288720323
10129035451
1166923276
1237269363
132096b74c
14131cc81d
15b4dcad6
hex7b0ecbb

129035451 has 8 divisors (see below), whose sum is σ = 179527680. Its totient is φ = 82283432.

The previous prime is 129035437. The next prime is 129035483. The reversal of 129035451 is 154530921.

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 129035451 - 213 = 129027259 is a prime.

It is a super-2 number, since 2×1290354512 = 33300295229546802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129035411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934971 + ... + 935108.

It is an arithmetic number, because the mean of its divisors is an integer number (22440960).

Almost surely, 2129035451 is an apocalyptic number.

129035451 is a deficient number, since it is larger than the sum of its proper divisors (50492229).

129035451 is a wasteful number, since it uses less digits than its factorization.

129035451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870105.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 129035451 is about 11359.3772276476. The cubic root of 129035451 is about 505.3237162447.

The spelling of 129035451 in words is "one hundred twenty-nine million, thirty-five thousand, four hundred fifty-one".

Divisors: 1 3 23 69 1870079 5610237 43011817 129035451