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102020201022122 = 252637396908657
BaseRepresentation
bin10111001100100101101101…
…110101111000001010101010
3111101020000222012221122000022
4113030211231311320022222
5101332444332430201442
61000551233333440442
730326500454406455
oct2714455565701252
9441200865848008
10102020201022122
112a5635848a7969
12b538246aa0122
1344c0604909536
141b29b3855449c
15bbdba5ec53d2
hex5cc96dd782aa

102020201022122 has 8 divisors (see below), whose sum is σ = 153030593838276. Its totient is φ = 51010003076032.

The previous prime is 102020201022073. The next prime is 102020201022143. The reversal of 102020201022122 is 221220102020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102005333853361 + 14867168761 = 10099769^2 + 121931^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 102020201022122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47401583 + ... + 49507074.

Almost surely, 2102020201022122 is an apocalyptic number.

102020201022122 is a deficient number, since it is larger than the sum of its proper divisors (51010392816154).

102020201022122 is an equidigital number, since it uses as much as digits as its factorization.

102020201022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97435032.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102020201022122 its reverse (221220102020201), we get a palindrome (323240303042323).

The spelling of 102020201022122 in words is "one hundred two trillion, twenty billion, two hundred one million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 526373 1052746 96908657 193817314 51010100511061 102020201022122