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29809023401 = 151583933809
BaseRepresentation
bin11011110000110000…
…011001100110101001
32211221102221021201202
4123300300121212221
5442022102222101
621405530453545
72103460342523
oct336060314651
984842837652
1029809023401
1111707464533
12593ab942b5
132a70949cb1
14162ad34a13
15b96ea336b
hex6f0c199a9

29809023401 has 8 divisors (see below), whose sum is σ = 30012460800. Its totient is φ = 29605665600.

The previous prime is 29809023389. The next prime is 29809023443. The reversal of 29809023401 is 10432090892.

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 29809023401 - 234 = 12629154217 is a prime.

It is a super-2 number, since 2×298090234012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29809023001) 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, 864785 + ... + 898593.

It is an arithmetic number, because the mean of its divisors is an integer number (3751557600).

Almost surely, 229809023401 is an apocalyptic number.

It is an amenable number.

29809023401 is a deficient number, since it is larger than the sum of its proper divisors (203437399).

29809023401 is a wasteful number, since it uses less digits than its factorization.

29809023401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39799.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 29809023401 in words is "twenty-nine billion, eight hundred nine million, twenty-three thousand, four hundred one".

Divisors: 1 151 5839 33809 881689 5105159 197410751 29809023401