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100220118 = 2316703353
BaseRepresentation
bin1011111100100…
…11110011010110
320222120201011020
411332103303112
5201124020433
613540022010
72324566635
oct576236326
9228521136
10100220118
1151631949
1229691906
13179bca5b
14d44b51c
158be9cb3
hex5f93cd6

100220118 has 8 divisors (see below), whose sum is σ = 200440248. Its totient is φ = 33406704.

The previous prime is 100220101. The next prime is 100220119. The reversal of 100220118 is 811022001.

Adding to 100220118 its reverse (811022001), we get a palindrome (911242119).

It is a sphenic number, since it is the product of 3 distinct primes.

100220118 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100220097 and 100220106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8351671 + ... + 8351682.

It is an arithmetic number, because the mean of its divisors is an integer number (25055031).

Almost surely, 2100220118 is an apocalyptic number.

100220118 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100220118 is a wasteful number, since it uses less digits than its factorization.

100220118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16703358.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 100220118 is about 10010.9998501648. Note that the first 3 decimals coincide. The cubic root of 100220118 is about 464.4991995345.

The spelling of 100220118 in words is "one hundred million, two hundred twenty thousand, one hundred eighteen".

Divisors: 1 2 3 6 16703353 33406706 50110059 100220118