Search a number
-
+
4487091955829 = 721759972693499
BaseRepresentation
bin100000101001011101110…
…0001011010100001110101
3120212221222011010211101122
41001102323201122201311
51042004031020041304
613313201441033325
7642116215214600
oct101227341324165
916787864124348
104487091955829
11147aa6848146a
12605766025845
1326719192ca42
141172680d3337
157babd7a29be
hex414bb85a875

4487091955829 has 96 divisors (see below), whose sum is σ = 5701071600000. Its totient is φ = 3507705298944.

The previous prime is 4487091955669. The next prime is 4487091955889. The reversal of 4487091955829 is 9285591907844.

It is a de Polignac number, because none of the positive numbers 2k-4487091955829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487091955889) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1282390922 + ... + 1282394420.

It is an arithmetic number, because the mean of its divisors is an integer number (59386162500).

Almost surely, 24487091955829 is an apocalyptic number.

4487091955829 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4487091955829 is a deficient number, since it is larger than the sum of its proper divisors (1213979644171).

4487091955829 is a wasteful number, since it uses less digits than its factorization.

4487091955829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3948 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 71.

The spelling of 4487091955829 in words is "four trillion, four hundred eighty-seven billion, ninety-one million, nine hundred fifty-five thousand, eight hundred twenty-nine".

Divisors: 1 7 17 49 59 97 119 269 413 679 833 1003 1649 1883 2891 3499 4573 4753 5723 7021 11543 13181 15871 24493 26093 32011 40061 49147 59483 80801 97291 111097 171451 182651 206441 224077 269807 280427 339403 416381 443581 681037 777679 941231 1278557 1445087 1539487 1888649 2375821 2914667 3105067 3509497 4767259 5769851 6588617 10115609 10776409 13220543 16000927 16630747 20024777 21735469 24566479 26171279 40388957 46120319 55532629 75434863 91299407 112006489 140173439 171965353 183198953 282722699 340421209 388728403 639095849 784045423 944054693 981214073 1282392671 1552089919 2382948463 2721098821 4473670943 5386665013 6608382851 10864629433 16680639241 37706655091 46258679957 76052406031 91573305221 263946585637 641013136547 4487091955829