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29330439157 = 91931915603
BaseRepresentation
bin11011010100001110…
…101111101111110101
32210201002101200120101
4123110032233233311
5440032043023112
621250233034101
72055556422265
oct332416575765
983632350511
1029330439157
11114912a5068
125826855931
1329c5752856
1415c35557a5
15b69e6a757
hex6d43afbf5

29330439157 has 4 divisors (see below), whose sum is σ = 29362355680. Its totient is φ = 29298522636.

The previous prime is 29330439143. The next prime is 29330439163. The reversal of 29330439157 is 75193403392.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29330439157 - 219 = 29329914869 is a prime.

It is a super-2 number, since 2×293304391572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29330439557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15956883 + ... + 15958720.

It is an arithmetic number, because the mean of its divisors is an integer number (7340588920).

Almost surely, 229330439157 is an apocalyptic number.

It is an amenable number.

29330439157 is a deficient number, since it is larger than the sum of its proper divisors (31916523).

29330439157 is an equidigital number, since it uses as much as digits as its factorization.

29330439157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31916522.

The product of its (nonzero) digits is 612360, while the sum is 46.

The spelling of 29330439157 in words is "twenty-nine billion, three hundred thirty million, four hundred thirty-nine thousand, one hundred fifty-seven".

Divisors: 1 919 31915603 29330439157