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100988101 = 2347103907
BaseRepresentation
bin1100000010011…
…11010011000101
321001000201122001
412001033103011
5201323104401
614004305301
72334245644
oct601172305
9231021561
10100988101
1152006945
12299a2231
1317bcb496
14d5ab35b
158cec601
hex604f4c5

100988101 has 16 divisors (see below), whose sum is σ = 108785664. Its totient is φ = 93520944.

The previous prime is 100988099. The next prime is 100988113. The reversal of 100988101 is 101889001.

It is not a de Polignac number, because 100988101 - 21 = 100988099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100988101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100988141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110890 + ... + 111796.

It is an arithmetic number, because the mean of its divisors is an integer number (6799104).

Almost surely, 2100988101 is an apocalyptic number.

It is an amenable number.

100988101 is a deficient number, since it is larger than the sum of its proper divisors (7797563).

100988101 is a wasteful number, since it uses less digits than its factorization.

100988101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 100988101 is about 10049.2836063075. The cubic root of 100988101 is about 465.6826616938.

The spelling of 100988101 in words is "one hundred million, nine hundred eighty-eight thousand, one hundred one".

Divisors: 1 23 47 103 907 1081 2369 4841 20861 42629 93421 111343 980467 2148683 4390787 100988101