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18252205036 = 22132347615323
BaseRepresentation
bin10000111111111010…
…101000101111101100
31202010000202002021221
4100333322220233230
5244340031030121
612215052033124
71214210116522
oct207772505754
952100662257
1018252205036
11781699187a
1236547627a4
13194b565830
14c5211c312
1571c5c5b41
hex43fea8bec

18252205036 has 96 divisors (see below), whose sum is σ = 37265614848. Its totient is φ = 7755644160.

The previous prime is 18252205009. The next prime is 18252205061. The reversal of 18252205036 is 63050225281.

It is a super-2 number, since 2×182522050362 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18252204992 and 18252205010.

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, 3426271 + ... + 3431593.

It is an arithmetic number, because the mean of its divisors is an integer number (388183488).

Almost surely, 218252205036 is an apocalyptic number.

It is an amenable number.

18252205036 is an abundant number, since it is smaller than the sum of its proper divisors (19013409812).

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

18252205036 is a wasteful number, since it uses less digits than its factorization.

18252205036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 18252205036 in words is "eighteen billion, two hundred fifty-two million, two hundred five thousand, thirty-six".

Divisors: 1 2 4 13 23 26 46 47 52 61 92 94 122 188 244 299 598 611 793 1081 1196 1222 1403 1586 2162 2444 2806 2867 3172 4324 5323 5612 5734 10646 11468 14053 18239 21292 28106 36478 37271 56212 65941 69199 72956 74542 122429 131882 138398 149084 244858 250181 263764 276796 324703 489716 500362 649406 857233 1000724 1298812 1591577 1714466 3183154 3252353 3428932 4221139 5754163 6366308 6504706 7468169 8442278 11508326 13009412 14936338 15261041 16884556 23016652 29872676 30522082 61044164 74804119 97086197 149608238 194172394 198393533 299216476 351003943 388344788 396787066 702007886 793574132 1404015772 4563051259 9126102518 18252205036