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102130055 = 5193310567
BaseRepresentation
bin1100001011001…
…10000110000111
321010011202002122
412011212012013
5202121130210
614045000155
72350043156
oct605460607
9233152078
10102130055
1152716905
122a25305b
131820b1b1
14d7c759d
158e75b55
hex6166187

102130055 has 8 divisors (see below), whose sum is σ = 122631072. Its totient is φ = 81654048.

The previous prime is 102130037. The next prime is 102130069. The reversal of 102130055 is 550031201.

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 102130055 - 26 = 102129991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (15328884).

Almost surely, 2102130055 is an apocalyptic number.

102130055 is a deficient number, since it is larger than the sum of its proper divisors (20501017).

102130055 is a wasteful number, since it uses less digits than its factorization.

102130055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 102130055 is about 10105.9415691958. The cubic root of 102130055 is about 467.4313701003.

Adding to 102130055 its reverse (550031201), we get a palindrome (652161256).

The spelling of 102130055 in words is "one hundred two million, one hundred thirty thousand, fifty-five".

Divisors: 1 5 1933 9665 10567 52835 20426011 102130055