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102100207 = 1153175129
BaseRepresentation
bin1100001010111…
…10110011101111
321010010020011011
412011132303233
5202114201312
614044210051
72346560146
oct605366357
9233106134
10102100207
11526a6440
122a239927
13181ca731
14d7ba75d
158e6bda7
hex615ecef

102100207 has 8 divisors (see below), whose sum is σ = 113484240. Its totient is φ = 91066560.

The previous prime is 102100199. The next prime is 102100211. The reversal of 102100207 is 702001201.

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

It is a cyclic number.

It is not a de Polignac number, because 102100207 - 23 = 102100199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100237) 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 7 ways as a sum of consecutive naturals, for example, 86982 + ... + 88147.

It is an arithmetic number, because the mean of its divisors is an integer number (14185530).

Almost surely, 2102100207 is an apocalyptic number.

102100207 is a deficient number, since it is larger than the sum of its proper divisors (11384033).

102100207 is a wasteful number, since it uses less digits than its factorization.

102100207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175193.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 102100207 is about 10104.4647062573. The cubic root of 102100207 is about 467.3858293078.

Adding to 102100207 its reverse (702001201), we get a palindrome (804101408).

The spelling of 102100207 in words is "one hundred two million, one hundred thousand, two hundred seven".

Divisors: 1 11 53 583 175129 1926419 9281837 102100207