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3119109213 = 311372554553
BaseRepresentation
bin1011100111101001…
…1101010001011101
322001101011011110110
42321322131101131
522341442443323
61233301200233
7140202663603
oct27172352135
98041134413
103119109213
111360723a10
12730700079
133a9288b6c
1421836d873
15133c70793
hexb9e9d45d

3119109213 has 16 divisors (see below), whose sum is σ = 4659506496. Its totient is φ = 1839277440.

The previous prime is 3119109211. The next prime is 3119109233. The reversal of 3119109213 is 3129019113.

It is a happy number.

It is not a de Polignac number, because 3119109213 - 21 = 3119109211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3119109211) 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 15 ways as a sum of consecutive naturals, for example, 1276056 + ... + 1278497.

It is an arithmetic number, because the mean of its divisors is an integer number (291219156).

Almost surely, 23119109213 is an apocalyptic number.

3119109213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3119109213 is a deficient number, since it is larger than the sum of its proper divisors (1540397283).

3119109213 is a wasteful number, since it uses less digits than its factorization.

3119109213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554604.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 3119109213 is about 55848.9857830919. The cubic root of 3119109213 is about 1461.0896370946.

It can be divided in two parts, 311910 and 9213, that added together give a palindrome (321123).

The spelling of 3119109213 in words is "three billion, one hundred nineteen million, one hundred nine thousand, two hundred thirteen".

Divisors: 1 3 11 33 37 111 407 1221 2554553 7663659 28100083 84300249 94518461 283555383 1039703071 3119109213