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29900583437 = 43376894301
BaseRepresentation
bin11011110110001101…
…101011001000001101
32212011211020000111012
4123312031223020031
5442214022132222
621423001135005
72105651523434
oct336615531015
985154200435
1029900583437
111175411098a
12596578a465
132a868c702a
14163916a11b
15ba003c1e2
hex6f636b20d

29900583437 has 4 divisors (see below), whose sum is σ = 29907482076. Its totient is φ = 29893684800.

The previous prime is 29900583431. The next prime is 29900583457. The reversal of 29900583437 is 73438500992.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9444146761 + 20456436676 = 97181^2 + 143026^2 .

It is a cyclic number.

It is not a de Polignac number, because 29900583437 - 224 = 29883806221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29900583431) 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 3 ways as a sum of consecutive naturals, for example, 3442814 + ... + 3451487.

It is an arithmetic number, because the mean of its divisors is an integer number (7476870519).

Almost surely, 229900583437 is an apocalyptic number.

It is an amenable number.

29900583437 is a deficient number, since it is larger than the sum of its proper divisors (6898639).

29900583437 is an equidigital number, since it uses as much as digits as its factorization.

29900583437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6898638.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 29900583437 in words is "twenty-nine billion, nine hundred million, five hundred eighty-three thousand, four hundred thirty-seven".

Divisors: 1 4337 6894301 29900583437