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29009381398 = 21011071917027
BaseRepresentation
bin11011000001000110…
…000000100000010110
32202212201021021010021
4123001012000200112
5433402400201043
621154323415354
72044610446654
oct330106004026
982781237107
1029009381398
1111337048678
12575722455a
13297409104a
141592a5ddd4
15b4bb9c3ed
hex6c1180816

29009381398 has 32 divisors (see below), whose sum is σ = 44594178048. Its totient is φ = 14150364000.

The previous prime is 29009381381. The next prime is 29009381399. The reversal of 29009381398 is 89318390092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29009381399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4124761 + ... + 4131787.

It is an arithmetic number, because the mean of its divisors is an integer number (1393568064).

Almost surely, 229009381398 is an apocalyptic number.

29009381398 is a deficient number, since it is larger than the sum of its proper divisors (15584796650).

29009381398 is a wasteful number, since it uses less digits than its factorization.

29009381398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 29009381398 in words is "twenty-nine billion, nine million, three hundred eighty-one thousand, three hundred ninety-eight".

Divisors: 1 2 101 107 191 202 214 382 7027 10807 14054 19291 20437 21614 38582 40874 709727 751889 1342157 1419454 1503778 2064137 2684314 4128274 75940789 135557857 143610799 151881578 271115714 287221598 14504690699 29009381398