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102100022210 = 2510210002221
BaseRepresentation
bin101111100010110100…
…0101011001111000010
3100202112112012112011002
41133011220223033002
53133100101202320
6114523141452002
710243063604144
oct1370550531702
9322475175132
10102100022210
113a33388994a
1217955111002
139821907734
144d27d14c94
1529c87a8675
hex17c5a2b3c2

102100022210 has 8 divisors (see below), whose sum is σ = 183780039996. Its totient is φ = 40840008880.

The previous prime is 102100022119. The next prime is 102100022279. The reversal of 102100022210 is 12220001201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101658307921 + 441714289 = 318839^2 + 21017^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102100022191 and 102100022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105001101 + ... + 5105001120.

Almost surely, 2102100022210 is an apocalyptic number.

102100022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100022210 is a deficient number, since it is larger than the sum of its proper divisors (81680017786).

102100022210 is a wasteful number, since it uses less digits than its factorization.

102100022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210002228.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102100022210 its reverse (12220001201), we get a palindrome (114320023411).

The spelling of 102100022210 in words is "one hundred two billion, one hundred million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 10210002221 20420004442 51050011105 102100022210