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121032103210 = 2571170467751
BaseRepresentation
bin111000010111000010…
…0110101010100101010
3102120101221020212221021
41300232010311110222
53440333204300320
6131333522003054
711513200621444
oct1605604652452
9376357225837
10121032103210
1147369515587
121b5594a648a
13b54ac84925
145c0244d494
1532358c8daa
hex1c2e13552a

121032103210 has 16 divisors (see below), whose sum is σ = 220926206592. Its totient is φ = 47730970000.

The previous prime is 121032103207. The next prime is 121032103223. The reversal of 121032103210 is 12301230121.

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 85233166 + ... + 85234585.

It is an arithmetic number, because the mean of its divisors is an integer number (13807887912).

Almost surely, 2121032103210 is an apocalyptic number.

121032103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121032103210 is a deficient number, since it is larger than the sum of its proper divisors (99894103382).

121032103210 is a wasteful number, since it uses less digits than its factorization.

121032103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170467829.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121032103210 its reverse (12301230121), we get a palindrome (133333333331).

The spelling of 121032103210 in words is "one hundred twenty-one billion, thirty-two million, one hundred three thousand, two hundred ten".

Divisors: 1 2 5 10 71 142 355 710 170467751 340935502 852338755 1704677510 12103210321 24206420642 60516051605 121032103210