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231284059272 = 233272319952041
BaseRepresentation
bin1101011101100110011…
…0101010110010001000
3211002222120202120001100
43113121212222302020
512242132204344042
6254130032021400
722465302031620
oct3273146526210
9732876676040
10231284059272
118a0a5904a42
12389a8691860
1318a6b72a656
14b2a0c9b880
156039b9024c
hex35d99aac88

231284059272 has 96 divisors (see below), whose sum is σ = 747004452480. Its totient is φ = 63208062720.

The previous prime is 231284059261. The next prime is 231284059327. The reversal of 231284059272 is 272950482132.

231284059272 is a `hidden beast` number, since 2 + 3 + 12 + 8 + 40 + 592 + 7 + 2 = 666.

231284059272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9964429 + ... + 9987612.

It is an arithmetic number, because the mean of its divisors is an integer number (7781296380).

Almost surely, 2231284059272 is an apocalyptic number.

It is an amenable number.

231284059272 is an abundant number, since it is smaller than the sum of its proper divisors (515720393208).

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

231284059272 is a wasteful number, since it uses less digits than its factorization.

231284059272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19952083 (or 19952076 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 231284059272 in words is "two hundred thirty-one billion, two hundred eighty-four million, fifty-nine thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 23 24 28 36 42 46 56 63 69 72 84 92 126 138 161 168 184 207 252 276 322 414 483 504 552 644 828 966 1288 1449 1656 1932 2898 3864 5796 11592 19952041 39904082 59856123 79808164 119712246 139664287 159616328 179568369 239424492 279328574 359136738 418992861 458896943 478848984 558657148 718273476 837985722 917793886 1117314296 1256978583 1376690829 1436546952 1675971444 1835587772 2513957166 2753381658 3212278601 3351942888 3671175544 4130072487 5027914332 5506763316 6424557202 8260144974 9636835803 10055828664 11013526632 12849114404 16520289948 19273671606 25698228808 28910507409 33040579896 38547343212 57821014818 77094686424 115642029636 231284059272