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29148487449 = 310979884977
BaseRepresentation
bin11011001001011000…
…101001111100011001
32210020102000120202020
4123021120221330121
5434144003044244
621220213125053
72051220024654
oct331130517431
983212016666
1029148487449
11113a861a054
125795929789
132996b47513
1415a731089b
15b58ec8d19
hex6c9629f19

29148487449 has 8 divisors (see below), whose sum is σ = 38868233760. Its totient is φ = 19430533056.

The previous prime is 29148487441. The next prime is 29148487457. The reversal of 29148487449 is 94478484192.

It is an interprime number because it is at equal distance from previous prime (29148487441) and next prime (29148487457).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29148487449 - 23 = 29148487441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29148487392 and 29148487401.

It is not an unprimeable number, because it can be changed into a prime (29148487441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409552 + ... + 475425.

It is an arithmetic number, because the mean of its divisors is an integer number (4858529220).

Almost surely, 229148487449 is an apocalyptic number.

It is an amenable number.

29148487449 is a deficient number, since it is larger than the sum of its proper divisors (9719746311).

29148487449 is a wasteful number, since it uses less digits than its factorization.

29148487449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895959.

The product of its digits is 18579456, while the sum is 60.

The spelling of 29148487449 in words is "twenty-nine billion, one hundred forty-eight million, four hundred eighty-seven thousand, four hundred forty-nine".

Divisors: 1 3 10979 32937 884977 2654931 9716162483 29148487449