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749011111111 = 3431921824969
BaseRepresentation
bin10101110011001001000…
…10101000110011000111
32122121022212112210211101
422321210202220303013
544232433321023421
61332031351320531
7105054123253204
oct12714442506307
92577285483741
10749011111111
112697212778aa
121011b6380147
135582938ccc3
142837657acab
151473bc13191
hexae648a8cc7

749011111111 has 4 divisors (see below), whose sum is σ = 749032970400. Its totient is φ = 748989251824.

The previous prime is 749011111087. The next prime is 749011111117. The reversal of 749011111111 is 111111110947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 749011111111 - 231 = 746863627463 is a prime.

It is a super-2 number, since 2×7490111111112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

749011111111 is a modest number, since divided by 1111111 gives 74901 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 749011111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749011111117) 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, 10878166 + ... + 10946803.

It is an arithmetic number, because the mean of its divisors is an integer number (187258242600).

Almost surely, 2749011111111 is an apocalyptic number.

749011111111 is a deficient number, since it is larger than the sum of its proper divisors (21859289).

749011111111 is a wasteful number, since it uses less digits than its factorization.

749011111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21859288.

The product of its (nonzero) digits is 252, while the sum is 28.

The spelling of 749011111111 in words is "seven hundred forty-nine billion, eleven million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 34319 21824969 749011111111