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101231230 = 2516016323
BaseRepresentation
bin1100000100010…
…10101001111110
321001111002010211
412002022221332
5201403344410
614013423034
72336310532
oct602125176
9231432124
10101231230
1152162581
1229a9aa7a
1317c85049
14d631bc2
158d4968a
hex608aa7e

101231230 has 16 divisors (see below), whose sum is σ = 182358864. Its totient is φ = 40460800.

The previous prime is 101231227. The next prime is 101231239. The reversal of 101231230 is 32132101.

It is a self number, because there is not a number n which added to its sum of digits gives 101231230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12849 + ... + 19171.

It is an arithmetic number, because the mean of its divisors is an integer number (11397429).

Almost surely, 2101231230 is an apocalyptic number.

101231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101231230 is a deficient number, since it is larger than the sum of its proper divisors (81127634).

101231230 is a wasteful number, since it uses less digits than its factorization.

101231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101231230 is about 10061.3731667203. The cubic root of 101231230 is about 466.0560727531.

Adding to 101231230 its reverse (32132101), we get a palindrome (133363331).

The spelling of 101231230 in words is "one hundred one million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1601 3202 6323 8005 12646 16010 31615 63230 10123123 20246246 50615615 101231230