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29438855537 = 7131073023401
BaseRepresentation
bin11011011010101100…
…010100100101110001
32210222122101210212212
4123122230110211301
5440242321334122
621305104501505
72061344100110
oct333254244561
983878353785
1029438855537
1111537514983
12585701a895
132a12052160
1415d3ad7c77
15b74733ce2
hex6dab14971

29438855537 has 16 divisors (see below), whose sum is σ = 36571070592. Its totient is φ = 23074588800.

The previous prime is 29438855507. The next prime is 29438855549. The reversal of 29438855537 is 73555883492.

It is a cyclic number.

It is not a de Polignac number, because 29438855537 - 210 = 29438854513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29438855507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501964 + ... + 1521437.

It is an arithmetic number, because the mean of its divisors is an integer number (2285691912).

Almost surely, 229438855537 is an apocalyptic number.

It is an amenable number.

29438855537 is a deficient number, since it is larger than the sum of its proper divisors (7132215055).

29438855537 is a wasteful number, since it uses less digits than its factorization.

29438855537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023528.

The product of its digits is 36288000, while the sum is 59.

The spelling of 29438855537 in words is "twenty-nine billion, four hundred thirty-eight million, eight hundred fifty-five thousand, five hundred thirty-seven".

Divisors: 1 7 13 91 107 749 1391 9737 3023401 21163807 39304213 275129491 323503907 2264527349 4205550791 29438855537