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13119790 = 251916869
BaseRepresentation
bin110010000011…
…000100101110
3220200112222011
4302003010232
511324313130
61145111434
7216342055
oct62030456
926615864
1013119790
117451102
12448857a
1329448b8
141a5739c
15124252a
hexc8312e

13119790 has 16 divisors (see below), whose sum is σ = 23742720. Its totient is φ = 5219680.

The previous prime is 13119787. The next prime is 13119797. The reversal of 13119790 is 9791131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13119797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525 + ... + 5344.

It is an arithmetic number, because the mean of its divisors is an integer number (1483920).

Almost surely, 213119790 is an apocalyptic number.

13119790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13119790 is a deficient number, since it is larger than the sum of its proper divisors (10622930).

13119790 is a wasteful number, since it uses less digits than its factorization.

13119790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 13119790 is about 3622.1250668634. The cubic root of 13119790 is about 235.8534832208.

The spelling of 13119790 in words is "thirteen million, one hundred nineteen thousand, seven hundred ninety".

Divisors: 1 2 5 10 191 382 955 1910 6869 13738 34345 68690 1311979 2623958 6559895 13119790