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231330132984 = 23367661217643
BaseRepresentation
bin1101011101110001011…
…0011011001111111000
3211010002210110100022010
43113130112123033320
512242231003223414
6254134355325520
722466401454406
oct3273426331770
9733083410263
10231330132984
118a119913895
12389bbbb08a0
1318a7813c8c2
14b2a7052476
15603dc41959
hex35dc59b3f8

231330132984 has 64 divisors (see below), whose sum is σ = 587847738240. Its totient is φ = 75843884160.

The previous prime is 231330132961. The next prime is 231330132991. The reversal of 231330132984 is 489231033132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954067 + ... + 1171709.

It is an arithmetic number, because the mean of its divisors is an integer number (9185120910).

Almost surely, 2231330132984 is an apocalyptic number.

231330132984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231330132984 is an abundant number, since it is smaller than the sum of its proper divisors (356517605256).

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

231330132984 is a wasteful number, since it uses less digits than its factorization.

231330132984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218380 (or 218376 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 231330132984 in words is "two hundred thirty-one billion, three hundred thirty million, one hundred thirty-two thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 67 134 201 268 402 536 661 804 1322 1608 1983 2644 3966 5288 7932 15864 44287 88574 132861 177148 217643 265722 354296 435286 531444 652929 870572 1062888 1305858 1741144 2611716 5223432 14582081 29164162 43746243 58328324 87492486 116656648 143862023 174984972 287724046 349969944 431586069 575448092 863172138 1150896184 1726344276 3452688552 9638755541 19277511082 28916266623 38555022164 57832533246 77110044328 115665066492 231330132984