Search a number
-
+
101231229 = 3114876299
BaseRepresentation
bin1100000100010…
…10101001111101
321001111002010210
412002022221331
5201403344404
614013423033
72336310531
oct602125175
9231432123
10101231229
1152162580
1229a9aa79
1317c85048
14d631bc1
158d49689
hex608aa7d

101231229 has 16 divisors (see below), whose sum is σ = 147571200. Its totient is φ = 61216560.

The previous prime is 101231227. The next prime is 101231239. The reversal of 101231229 is 922132101.

It is not a de Polignac number, because 101231229 - 21 = 101231227 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231227) 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 15 ways as a sum of consecutive naturals, for example, 12922 + ... + 19220.

It is an arithmetic number, because the mean of its divisors is an integer number (9223200).

Almost surely, 2101231229 is an apocalyptic number.

It is an amenable number.

101231229 is a deficient number, since it is larger than the sum of its proper divisors (46339971).

101231229 is a wasteful number, since it uses less digits than its factorization.

101231229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6800.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 101231229 is about 10061.3731170253. The cubic root of 101231229 is about 466.0560712184.

The spelling of 101231229 in words is "one hundred one million, two hundred thirty-one thousand, two hundred twenty-nine".

Divisors: 1 3 11 33 487 1461 5357 6299 16071 18897 69289 207867 3067613 9202839 33743743 101231229