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29605948849 = 213713853977
BaseRepresentation
bin11011100100101001…
…101110110110110001
32211102021211000211001
4123210221232312301
5441113110330344
621333434122001
72065443261451
oct334451566661
984367730731
1029605948849
1111612871624
1258a2b80301
132a3a857439
14160bd91d61
15b8423ced4
hex6e4a6edb1

29605948849 has 4 divisors (see below), whose sum is σ = 29619804964. Its totient is φ = 29592092736.

The previous prime is 29605948843. The next prime is 29605948871. The reversal of 29605948849 is 94884950692.

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 12196993600 + 17408955249 = 110440^2 + 131943^2 .

It is a cyclic number.

It is not a de Polignac number, because 29605948849 - 27 = 29605948721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29605948843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6924852 + ... + 6929125.

It is an arithmetic number, because the mean of its divisors is an integer number (7404951241).

Almost surely, 229605948849 is an apocalyptic number.

It is an amenable number.

29605948849 is a deficient number, since it is larger than the sum of its proper divisors (13856115).

29605948849 is a wasteful number, since it uses less digits than its factorization.

29605948849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856114.

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 29605948849 in words is "twenty-nine billion, six hundred five million, nine hundred forty-eight thousand, eight hundred forty-nine".

Divisors: 1 2137 13853977 29605948849