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29101699249 = 76919376421
BaseRepresentation
bin11011000110100110…
…001011000010110001
32210010010222111101221
4123012212023002301
5434100013333444
621211422225041
72050111235140
oct330646130261
983103874357
1029101699249
1111384172417
125782125181
13298a244cac
1415a1011757
15b54d35a84
hex6c698b0b1

29101699249 has 16 divisors (see below), whose sum is σ = 33347956096. Its totient is φ = 24877756800.

The previous prime is 29101699247. The next prime is 29101699273. The reversal of 29101699249 is 94299610192.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 29101699249 - 21 = 29101699247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29101699196 and 29101699205.

It is not an unprimeable number, because it can be changed into a prime (29101699241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4529059 + ... + 4535479.

It is an arithmetic number, because the mean of its divisors is an integer number (2084247256).

Almost surely, 229101699249 is an apocalyptic number.

It is an amenable number.

29101699249 is a deficient number, since it is larger than the sum of its proper divisors (4246256847).

29101699249 is an equidigital number, since it uses as much as digits as its factorization.

29101699249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 29101699249 in words is "twenty-nine billion, one hundred one million, six hundred ninety-nine thousand, two hundred forty-nine".

Divisors: 1 7 691 937 4837 6421 6559 44947 647467 4436911 4532269 6016477 31058377 42115339 4157385607 29101699249