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29133157608 = 2332404627189
BaseRepresentation
bin11011001000011110…
…001011010011101000
32210012100011202011100
4123020132023103220
5434131042020413
621214504401400
72050642516362
oct331036132350
983170152140
1029133157608
111139a9a9565
125790776260
13299390a9c9
1415a527dd32
15b5799ba73
hex6c878b4e8

29133157608 has 24 divisors (see below), whose sum is σ = 78902302050. Its totient is φ = 9711052512.

The previous prime is 29133157597. The next prime is 29133157609. The reversal of 29133157608 is 80675133192.

29133157608 is a `hidden beast` number, since 2 + 9 + 1 + 3 + 31 + 5 + 7 + 608 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20603157444 + 8530000164 = 143538^2 + 92358^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (29133157609) 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 5 ways as a sum of consecutive naturals, for example, 202313523 + ... + 202313666.

Almost surely, 229133157608 is an apocalyptic number.

It is an amenable number.

29133157608 is an abundant number, since it is smaller than the sum of its proper divisors (49769144442).

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

29133157608 is a wasteful number, since it uses less digits than its factorization.

29133157608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404627201 (or 404627194 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 29133157608 in words is "twenty-nine billion, one hundred thirty-three million, one hundred fifty-seven thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 404627189 809254378 1213881567 1618508756 2427763134 3237017512 3641644701 4855526268 7283289402 9711052536 14566578804 29133157608