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12032320500512 = 251353545732969
BaseRepresentation
bin1010111100010111111000…
…1100000111001100100000
31120121021112002210122102222
42233011332030013030200
53034114143022004022
641331323254330212
72351210055514664
oct257057614071440
946537462718388
1012032320500512
113919973271254
121423b3b959968
13693848756cc0
142d85202b08a4
1515cec561a242
hexaf17e307320

12032320500512 has 48 divisors (see below), whose sum is σ = 25992169895160. Its totient is φ = 5448597952512.

The previous prime is 12032320500493. The next prime is 12032320500533. The reversal of 12032320500512 is 21500502323021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10223392339216 + 1808928161296 = 3197404^2 + 1344964^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272844437 + ... + 272888532.

Almost surely, 212032320500512 is an apocalyptic number.

It is an amenable number.

12032320500512 is an abundant number, since it is smaller than the sum of its proper divisors (13959849394648).

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

12032320500512 is a wasteful number, since it uses less digits than its factorization.

12032320500512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545733045 (or 545733037 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 12032320500512 its reverse (21500502323021), we get a palindrome (33532822823533).

The spelling of 12032320500512 in words is "twelve trillion, thirty-two billion, three hundred twenty million, five hundred thousand, five hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 53 104 106 208 212 416 424 689 848 1378 1696 2756 5512 11024 22048 545732969 1091465938 2182931876 4365863752 7094528597 8731727504 14189057194 17463455008 28378114388 28923847357 56756228776 57847694714 113512457552 115695389428 227024915104 231390778856 376010015641 462781557712 752020031282 925563115424 1504040062564 3008080125128 6016160250256 12032320500512