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102100122022 = 251050061011
BaseRepresentation
bin101111100010110100…
…1000011100110100110
3100202112112101121001211
41133011221003212212
53133100112401042
6114523143542034
710243064501143
oct1370551034646
9322475347054
10102100122022
113a333947938
121795515a91a
139821940cb2
144d27d3d3ca
1529c87c8017
hex17c5a439a6

102100122022 has 4 divisors (see below), whose sum is σ = 153150183036. Its totient is φ = 51050061010.

The previous prime is 102100122011. The next prime is 102100122029. The reversal of 102100122022 is 220221001201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220221001201 = 1931141041457.

It is a junction number, because it is equal to n+sod(n) for n = 102100121993 and 102100122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102100122029) by changing a digit.

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 as a sum of consecutive naturals, namely, 25525030504 + ... + 25525030507.

It is an arithmetic number, because the mean of its divisors is an integer number (38287545759).

Almost surely, 2102100122022 is an apocalyptic number.

102100122022 is a deficient number, since it is larger than the sum of its proper divisors (51050061014).

102100122022 is an equidigital number, since it uses as much as digits as its factorization.

102100122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51050061013.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102100122022 its reverse (220221001201), we get a palindrome (322321123223).

The spelling of 102100122022 in words is "one hundred two billion, one hundred million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 51050061011 102100122022