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982054000621 = 237917923312959
BaseRepresentation
bin11100100101001101111…
…10101101011111101101
310110212212000212012101101
432102212332231133231
5112042221311004441
62031052133243101
7130644133163101
oct16224676553755
93425760765341
10982054000621
11349539976a51
1213a3b3a93491
13717b82c45b5
1435762c75901
151a82aec8231
hexe4a6fad7ed

982054000621 has 32 divisors (see below), whose sum is σ = 1048080384000. Its totient is φ = 918254882688.

The previous prime is 982054000607. The next prime is 982054000747. The reversal of 982054000621 is 126000450289.

It is a cyclic number.

It is not a de Polignac number, because 982054000621 - 25 = 982054000589 is a prime.

It is a super-2 number, since 2×9820540006212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982054004621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75775140 + ... + 75788098.

It is an arithmetic number, because the mean of its divisors is an integer number (32752512000).

Almost surely, 2982054000621 is an apocalyptic number.

982054000621 is the 529705-th centered heptagonal number.

It is an amenable number.

982054000621 is a deficient number, since it is larger than the sum of its proper divisors (66026383379).

982054000621 is a wasteful number, since it uses less digits than its factorization.

982054000621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13473.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 982054000621 in words is "nine hundred eighty-two billion, fifty-four million, six hundred twenty-one", and thus it is an aban number.

Divisors: 1 23 79 179 233 1817 4117 5359 12959 14141 18407 41707 298057 325243 423361 959261 1023761 2319661 3019447 3294853 23546503 53352203 69447281 75781619 183253219 238536313 540481013 4214824037 5486335199 12431063299 42698000027 982054000621