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12352452552 = 23321117917443
BaseRepresentation
bin10111000000100001…
…10111011111001000
31011212212022121100200
423200100313133020
5200244211440202
65401415532200
7615051054126
oct134020673710
934785277320
1012352452552
115269701480
12248898a060
13121b19912b
14852766916
154c4690e1c
hex2e04377c8

12352452552 has 96 divisors (see below), whose sum is σ = 38642741280. Its totient is φ = 3522977280.

The previous prime is 12352452547. The next prime is 12352452559. The reversal of 12352452552 is 25525425321.

12352452552 is a `hidden beast` number, since 1 + 2 + 3 + 52 + 4 + 52 + 552 = 666.

It is a super-2 number, since 2×123524525522 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12352452559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445258 + ... + 472185.

It is an arithmetic number, because the mean of its divisors is an integer number (402528555).

Almost surely, 212352452552 is an apocalyptic number.

12352452552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12352452552 is an abundant number, since it is smaller than the sum of its proper divisors (26290288728).

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

12352452552 is a wasteful number, since it uses less digits than its factorization.

12352452552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917483 (or 917476 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

Adding to 12352452552 its reverse (25525425321), we get a palindrome (37877877873).

The spelling of 12352452552 in words is "twelve billion, three hundred fifty-two million, four hundred fifty-two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 17 18 22 24 33 34 36 44 51 66 68 72 88 99 102 132 136 153 187 198 204 264 306 374 396 408 561 612 748 792 1122 1224 1496 1683 2244 3366 4488 6732 13464 917443 1834886 2752329 3669772 5504658 7339544 8256987 10091873 11009316 15596531 16513974 20183746 22018632 30275619 31193062 33027948 40367492 46789593 60551238 62386124 66055896 80734984 90826857 93579186 121102476 124772248 140368779 171561841 181653714 187158372 242204952 280737558 343123682 363307428 374316744 514685523 561475116 686247364 726614856 1029371046 1122950232 1372494728 1544056569 2058742092 3088113138 4117484184 6176226276 12352452552