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1868654364 = 223378350707
BaseRepresentation
bin110111101100001…
…0110011100011100
311211020012110212220
41233120112130130
512311333414424
6505231425340
764210204623
oct15730263434
94736173786
101868654364
11879896755
12441985250
1323a1aa255
1413a2686ba
15ae0ba579
hex6f61671c

1868654364 has 48 divisors (see below), whose sum is σ = 4532078208. Its totient is φ = 598736448.

The previous prime is 1868654339. The next prime is 1868654393. The reversal of 1868654364 is 4634568681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11499 + ... + 62205.

It is an arithmetic number, because the mean of its divisors is an integer number (94418296).

Almost surely, 21868654364 is an apocalyptic number.

It is an amenable number.

1868654364 is an abundant number, since it is smaller than the sum of its proper divisors (2663423844).

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

1868654364 is a wasteful number, since it uses less digits than its factorization.

1868654364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50834 (or 50832 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 1868654364 is about 43227.9349957872. The cubic root of 1868654364 is about 1231.7133818759.

The spelling of 1868654364 in words is "one billion, eight hundred sixty-eight million, six hundred fifty-four thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 37 74 83 111 148 166 222 249 332 444 498 996 3071 6142 9213 12284 18426 36852 50707 101414 152121 202828 304242 608484 1876159 3752318 4208681 5628477 7504636 8417362 11256954 12626043 16834724 22513908 25252086 50504172 155721197 311442394 467163591 622884788 934327182 1868654364