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29908183234669 = 171759304896157
BaseRepresentation
bin1101100110011100010101…
…01000110011100001101101
310220220012020201020210211221
412303032022220303201231
512410003424402002134
6143335344003143341
76204536442640555
oct663161250634155
9126805221223757
1029908183234669
119590a97805313
1234304a6074b51
13138c439109bcc
147557c7090165
1536cea91d15b4
hex1b338aa3386d

29908183234669 has 4 divisors (see below), whose sum is σ = 31667488130844. Its totient is φ = 28148878338496.

The previous prime is 29908183234651. The next prime is 29908183234711. The reversal of 29908183234669 is 96643238180992.

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 21627382775625 + 8280800459044 = 4650525^2 + 2877638^2 .

It is a cyclic number.

It is not a de Polignac number, because 29908183234669 - 225 = 29908149680237 is a prime.

It is a super-2 number, since 2×299081832346692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29908183234598 and 29908183234607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29908183234609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879652448062 + ... + 879652448095.

It is an arithmetic number, because the mean of its divisors is an integer number (7916872032711).

Almost surely, 229908183234669 is an apocalyptic number.

It is an amenable number.

29908183234669 is a deficient number, since it is larger than the sum of its proper divisors (1759304896175).

29908183234669 is a wasteful number, since it uses less digits than its factorization.

29908183234669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759304896174.

The product of its (nonzero) digits is 241864704, while the sum is 70.

The spelling of 29908183234669 in words is "twenty-nine trillion, nine hundred eight billion, one hundred eighty-three million, two hundred thirty-four thousand, six hundred sixty-nine".

Divisors: 1 17 1759304896157 29908183234669