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101142468 = 2232738191
BaseRepresentation
bin1100000011101…
…00111111000100
321001022120101100
412001310333010
5201343024333
614011500100
72335461000
oct601647704
9231276340
10101142468
1152101919
1229a57630
1317c5381b
14d60b700
158d2d213
hex6074fc4

101142468 has 72 divisors (see below), whose sum is σ = 298188800. Its totient is φ = 28894320.

The previous prime is 101142443. The next prime is 101142473. The reversal of 101142468 is 864241101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8253 + ... + 16443.

Almost surely, 2101142468 is an apocalyptic number.

101142468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101142468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149094400).

101142468 is an abundant number, since it is smaller than the sum of its proper divisors (197046332).

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

101142468 is a wasteful number, since it uses less digits than its factorization.

101142468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222 (or 8203 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 101142468 is about 10056.9611712485. The cubic root of 101142468 is about 465.9198164948.

Adding to 101142468 its reverse (864241101), we get a palindrome (965383569).

The spelling of 101142468 in words is "one hundred one million, one hundred forty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 343 441 588 686 882 1029 1372 1764 2058 3087 4116 6174 8191 12348 16382 24573 32764 49146 57337 73719 98292 114674 147438 172011 229348 294876 344022 401359 516033 688044 802718 1032066 1204077 1605436 2064132 2408154 2809513 3612231 4816308 5619026 7224462 8428539 11238052 14448924 16857078 25285617 33714156 50571234 101142468