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3109889468 = 227228435581
BaseRepresentation
bin1011100101011101…
…0010010110111100
322000201210202100102
42321113102112330
522332112430333
61232331420232
7140031424100
oct27127222674
98021722312
103109889468
1113564a6a94
127295b4678
133a73ab4aa
1421704d900
1513304dae8
hexb95d25bc

3109889468 has 36 divisors (see below), whose sum is σ = 6334207992. Its totient is φ = 1332102240.

The previous prime is 3109889459. The next prime is 3109889507. The reversal of 3109889468 is 8649889013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554438 + ... + 560018.

It is an arithmetic number, because the mean of its divisors is an integer number (175950222).

Almost surely, 23109889468 is an apocalyptic number.

It is an amenable number.

3109889468 is an abundant number, since it is smaller than the sum of its proper divisors (3224318524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3109889468 is a wasteful number, since it uses less digits than its factorization.

3109889468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442 (or 8433 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 3109889468 is about 55766.3829560426. The cubic root of 3109889468 is about 1459.6486093734.

The spelling of 3109889468 in words is "three billion, one hundred nine million, eight hundred eighty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 2843 5581 5686 11162 11372 19901 22324 39067 39802 78134 79604 139307 156268 273469 278614 546938 557228 1093876 15866783 31733566 63467132 111067481 222134962 444269924 777472367 1554944734 3109889468