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29907117187601 = 67344438509937
BaseRepresentation
bin1101100110011010010110…
…00110001010001000010001
310220220002111102022000012012
412303031023012022020101
512404444234000000401
6143335050122112305
76204501146455613
oct663151306121021
9126802442260165
1029907117187601
11959059aa80385
12343024904b695
13138c2c92b6524
1475572566cdb3
1536ce458058bb
hex1b334b18a211

29907117187601 has 4 divisors (see below), whose sum is σ = 29951555698212. Its totient is φ = 29862678676992.

The previous prime is 29907117187457. The next prime is 29907117187603. The reversal of 29907117187601 is 10678171170992.

It is a Cunningham number, because it is equal to 54687402+1.

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 9787362082576 + 20119755105025 = 3128476^2 + 4485505^2 .

It is a cyclic number.

It is not a de Polignac number, because 29907117187601 - 230 = 29906043445777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29907117187603) 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, 22219254296 + ... + 22219255641.

It is an arithmetic number, because the mean of its divisors is an integer number (7487888924553).

Almost surely, 229907117187601 is an apocalyptic number.

It is an amenable number.

29907117187601 is a deficient number, since it is larger than the sum of its proper divisors (44438510611).

29907117187601 is an equidigital number, since it uses as much as digits as its factorization.

29907117187601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44438510610.

The product of its (nonzero) digits is 2667168, while the sum is 59.

The spelling of 29907117187601 in words is "twenty-nine trillion, nine hundred seven billion, one hundred seventeen million, one hundred eighty-seven thousand, six hundred one".

Divisors: 1 673 44438509937 29907117187601