Search a number
-
+
29018846628 = 2232806079073
BaseRepresentation
bin11011000001101010…
…000111010110100100
32202220101002010222100
4123001222013112210
5433412311043003
621155302332100
72045054061252
oct330152072644
982811063870
1029018846628
1111341422a82
12575a42a030
132976026385
1415940055d2
15b4c91bba3
hex6c1a875a4

29018846628 has 18 divisors (see below), whose sum is σ = 73353195734. Its totient is φ = 9672948864.

The previous prime is 29018846621. The next prime is 29018846629. The reversal of 29018846628 is 82664881092.

29018846628 is a `hidden beast` number, since 2 + 9 + 0 + 1 + 8 + 8 + 4 + 6 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22020185664 + 6998660964 = 148392^2 + 83658^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (29018846621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 403039501 + ... + 403039572.

Almost surely, 229018846628 is an apocalyptic number.

It is an amenable number.

29018846628 is an abundant number, since it is smaller than the sum of its proper divisors (44334349106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29018846628 is a wasteful number, since it uses less digits than its factorization.

29018846628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806079083 (or 806079078 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 29018846628 in words is "twenty-nine billion, eighteen million, eight hundred forty-six thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 806079073 1612158146 2418237219 3224316292 4836474438 7254711657 9672948876 14509423314 29018846628