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102130133 = 7142310253
BaseRepresentation
bin1100001011001…
…10000111010101
321010011202012112
412011212013111
5202121131013
614045000405
72350043330
oct605460725
9233152175
10102130133
1152716976
122a253105
131820b241
14d7c7617
158e75ba8
hex61661d5

102130133 has 8 divisors (see below), whose sum is σ = 116813568. Its totient is φ = 87470064.

The previous prime is 102130129. The next prime is 102130153. The reversal of 102130133 is 331031201.

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 102130133 - 22 = 102130129 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 (102130103) 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 7 ways as a sum of consecutive naturals, for example, 4835 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (14601696).

Almost surely, 2102130133 is an apocalyptic number.

It is an amenable number.

102130133 is a deficient number, since it is larger than the sum of its proper divisors (14683435).

102130133 is a wasteful number, since it uses less digits than its factorization.

102130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11683.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 102130133 is about 10105.9454283110. The cubic root of 102130133 is about 467.4314890977.

Adding to 102130133 its reverse (331031201), we get a palindrome (433161334).

The spelling of 102130133 in words is "one hundred two million, one hundred thirty thousand, one hundred thirty-three".

Divisors: 1 7 1423 9961 10253 71771 14590019 102130133