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102102010213 = 721169127969
BaseRepresentation
bin101111100010111000…
…0010000100101100101
3100202112122221112011211
41133011300100211211
53133101103311323
6114523252231421
710243116524110
oct1370560204545
9322478845154
10102102010213
113a334a17525
121795590b571
139822152578
144d282b1577
1529c8a4c70d
hex17c5c10965

102102010213 has 8 divisors (see below), whose sum is σ = 117241037120. Its totient is φ = 87101239680.

The previous prime is 102102010207. The next prime is 102102010249. The reversal of 102102010213 is 312010201201.

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

It is not a de Polignac number, because 102102010213 - 25 = 102102010181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102010193 and 102102010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102010313) 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, 34562508 + ... + 34565461.

It is an arithmetic number, because the mean of its divisors is an integer number (14655129640).

Almost surely, 2102102010213 is an apocalyptic number.

It is an amenable number.

102102010213 is a deficient number, since it is larger than the sum of its proper divisors (15139026907).

102102010213 is an equidigital number, since it uses as much as digits as its factorization.

102102010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69128187.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102102010213 its reverse (312010201201), we get a palindrome (414112211414).

The spelling of 102102010213 in words is "one hundred two billion, one hundred two million, ten thousand, two hundred thirteen".

Divisors: 1 7 211 1477 69127969 483895783 14586001459 102102010213