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100990910 = 2510199991
BaseRepresentation
bin1100000010011…
…11111110111110
321001000212111002
412001033332332
5201323202120
614004330302
72334260066
oct601177676
9231025432
10100990910
1152008a69
12299a3992
1317bcc847
14d5ac3a6
158ced375
hex604ffbe

100990910 has 16 divisors (see below), whose sum is σ = 183585312. Its totient is φ = 39996000.

The previous prime is 100990873. The next prime is 100990927. The reversal of 100990910 is 19099001.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 48986 + ... + 51005.

It is an arithmetic number, because the mean of its divisors is an integer number (11474082).

Almost surely, 2100990910 is an apocalyptic number.

100990910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100990910 is a deficient number, since it is larger than the sum of its proper divisors (82594402).

100990910 is a wasteful number, since it uses less digits than its factorization.

100990910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100099.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 100990910 is about 10049.4233665420. The cubic root of 100990910 is about 465.6869793327.

It can be divided in two parts, 1009 and 90910, that added together give a palindrome (91919).

The spelling of 100990910 in words is "one hundred million, nine hundred ninety thousand, nine hundred ten".

Divisors: 1 2 5 10 101 202 505 1010 99991 199982 499955 999910 10099091 20198182 50495455 100990910