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20103452300442 = 237988748412423
BaseRepresentation
bin1001001001000101100110…
…01000100001010010011010
32122011212112011012212210210
410210202303020201102122
510113333332242103232
6110431222023551550
74143266201043150
oct444426310412232
978155464185723
1020103452300442
11645090a8005a5
1223082255bb5b6
13b2a9940cb7b4
144d70259c13d0
1524ce0c2095cc
hex1248b322149a

20103452300442 has 32 divisors (see below), whose sum is σ = 45955396657152. Its totient is φ = 5743262446704.

The previous prime is 20103452300423. The next prime is 20103452300479. The reversal of 20103452300442 is 24400325430102.

It is a super-2 number, since 2×201034523004422 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23790958 + ... + 24621465.

It is an arithmetic number, because the mean of its divisors is an integer number (1436106145536).

Almost surely, 220103452300442 is an apocalyptic number.

20103452300442 is an abundant number, since it is smaller than the sum of its proper divisors (25851944356710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103452300442 is a wasteful number, since it uses less digits than its factorization.

20103452300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48422322.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20103452300442 its reverse (24400325430102), we get a palindrome (44503777730544).

The spelling of 20103452300442 in words is "twenty trillion, one hundred three billion, four hundred fifty-two million, three hundred thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 9887 19774 29661 59322 69209 138418 207627 415254 48412423 96824846 145237269 290474538 338886961 677773922 1016660883 2033321766 478653626201 957307252402 1435960878603 2871921757206 3350575383407 6701150766814 10051726150221 20103452300442