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29678331076 = 22861372
BaseRepresentation
bin11011101000111101…
…110110010011000100
32211121100000102120021
4123220331312103010
5441240123043301
621344541344524
72100312436402
oct335075662304
984540012507
1029678331076
111164a70a449
125903268144
132a4c84b364
141617834472
15b8a7898a1
hex6e8f764c4

29678331076 has 9 divisors (see below), whose sum is σ = 51937682349. Its totient is φ = 14838993264.

The previous prime is 29678331017. The next prime is 29678331079. The reversal of 29678331076 is 67013387692.

It is a happy number.

The square root of 29678331076 is 172274.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 33756100 + 29644574976 = 5810^2 + 172176^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29678331079) 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 2 ways as a sum of consecutive naturals, for example, 301480 + ... + 387616.

Almost surely, 229678331076 is an apocalyptic number.

29678331076 is the 172274-th square number.

It is an amenable number.

29678331076 is a deficient number, since it is larger than the sum of its proper divisors (22259351273).

29678331076 is an frugal number, since it uses more digits than its factorization.

29678331076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172278 (or 86139 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 29678331076 in words is "twenty-nine billion, six hundred seventy-eight million, three hundred thirty-one thousand, seventy-six".

Divisors: 1 2 4 86137 172274 344548 7419582769 14839165538 29678331076