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18024419355852 = 22371319868730449
BaseRepresentation
bin1000001100100101000110…
…00111001110110011001100
32100211010011202221110110210
410012102203013032303030
54330303002323341402
6102200145352402420
73540135625433040
oct406224307166314
970733152843423
1018024419355852
11581a127915788
1220313056a6410
13a09906ba6470
1446455a9aa020
15213ccaad306c
hex1064a31ceccc

18024419355852 has 96 divisors (see below), whose sum is σ = 54486773824000. Its totient is φ = 4503498642432.

The previous prime is 18024419355827. The next prime is 18024419355949. The reversal of 18024419355852 is 25855391442081.

It is a super-2 number, since 2×180244193558522 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 18024419355792 and 18024419355801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434344477 + ... + 434385972.

Almost surely, 218024419355852 is an apocalyptic number.

18024419355852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18024419355852 is an abundant number, since it is smaller than the sum of its proper divisors (36462354468148).

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

18024419355852 is a wasteful number, since it uses less digits than its factorization.

18024419355852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868730495 (or 868730493 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 18024419355852 in words is "eighteen trillion, twenty-four billion, four hundred nineteen million, three hundred fifty-five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 76 78 84 91 114 133 156 182 228 247 266 273 364 399 494 532 546 741 798 988 1092 1482 1596 1729 2964 3458 5187 6916 10374 20748 868730449 1737460898 2606191347 3474921796 5212382694 6081113143 10424765388 11293495837 12162226286 16505878531 18243339429 22586991674 24324452572 33011757062 33880487511 36486678858 45173983348 49517635593 66023514124 67760975022 72973357716 79054470859 99035271186 115541149717 135521950044 158108941718 198070542372 214576420903 231082299434 237163412577 316217883436 346623449151 429152841806 462164598868 474326825154 643729262709 693246898302 858305683612 948653650308 1287458525418 1386493796604 1502034946321 2574917050836 3004069892642 4506104838963 6008139785284 9012209677926 18024419355852