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268429105919 = 131719325125073
BaseRepresentation
bin1111100111111110011…
…1110001101011111111
3221122212021201102210202
43321333213301223333
513344220322342134
6323151543154115
725251631516352
oct3717747615377
9848767642722
10268429105919
11a39272612a7
124403444593b
131c40b181ab0
14cdc621c299
156eb0bd4d7e
hex3e7f9f1aff

268429105919 has 32 divisors (see below), whose sum is σ = 308906063424. Its totient is φ = 231063552000.

The previous prime is 268429105877. The next prime is 268429105949. The reversal of 268429105919 is 919501924862.

It is a cyclic number.

It is not a de Polignac number, because 268429105919 - 220 = 268428057343 is a prime.

It is a super-2 number, since 2×2684291059192 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268429105949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10693367 + ... + 10718439.

It is an arithmetic number, because the mean of its divisors is an integer number (9653314482).

Almost surely, 2268429105919 is an apocalyptic number.

268429105919 is a deficient number, since it is larger than the sum of its proper divisors (40476957505).

268429105919 is a wasteful number, since it uses less digits than its factorization.

268429105919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25547.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 268429105919 in words is "two hundred sixty-eight billion, four hundred twenty-nine million, one hundred five thousand, nine hundred nineteen".

Divisors: 1 13 17 193 221 251 2509 3263 3281 4267 25073 42653 48443 55471 325949 426241 629759 823531 4839089 5541133 6293323 10705903 62908157 81813199 82264513 106986491 1069438669 1214611339 1390824383 15789947407 20648392763 268429105919