Search a number
-
+
29972866469 = 713329372159
BaseRepresentation
bin11011111010100001…
…011010010110100101
32212100212020101011112
4123322201122112211
5442341023211334
621434102314405
72110520106230
oct337241322645
985325211145
1029972866469
11117909a1227
125985a28a05
132a98884a60
1416449c4417
15ba65694ce
hex6fa85a5a5

29972866469 has 8 divisors (see below), whose sum is σ = 36889681920. Its totient is φ = 23714795376.

The previous prime is 29972866457. The next prime is 29972866477. The reversal of 29972866469 is 96466827992.

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 29972866469 - 216 = 29972800933 is a prime.

It is a super-2 number, since 2×299728664692 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29972866399 and 29972866408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29972866169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164685989 + ... + 164686170.

It is an arithmetic number, because the mean of its divisors is an integer number (4611210240).

Almost surely, 229972866469 is an apocalyptic number.

It is an amenable number.

29972866469 is a deficient number, since it is larger than the sum of its proper divisors (6916815451).

29972866469 is a wasteful number, since it uses less digits than its factorization.

29972866469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329372179.

The product of its digits is 141087744, while the sum is 68.

The spelling of 29972866469 in words is "twenty-nine billion, nine hundred seventy-two million, eight hundred sixty-six thousand, four hundred sixty-nine".

Divisors: 1 7 13 91 329372159 2305605113 4281838067 29972866469