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121421030300 = 22523125338851
BaseRepresentation
bin111000100010101000…
…0011110001110011100
3102121102001002102121022
41301011100132032130
53442132240432200
6131440254023312
711525632504613
oct1610520361634
9377361072538
10121421030300
1147549008229
121b6477a7b38
13b5b071a1bb
145c3bd7087a
153259b01885
hex1c4541e39c

121421030300 has 36 divisors (see below), whose sum is σ = 263498848536. Its totient is φ = 48565608000.

The previous prime is 121421030287. The next prime is 121421030327. The reversal of 121421030300 is 3030124121.

121421030300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1214210303002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3105875 + ... + 3144725.

Almost surely, 2121421030300 is an apocalyptic number.

121421030300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121421030300 is an abundant number, since it is smaller than the sum of its proper divisors (142077818236).

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

121421030300 is a wasteful number, since it uses less digits than its factorization.

121421030300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70118 (or 70111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121421030300 its reverse (3030124121), we get a palindrome (124451154421).

The spelling of 121421030300 in words is "one hundred twenty-one billion, four hundred twenty-one million, thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 31253 38851 62506 77702 125012 155404 156265 194255 312530 388510 625060 777020 781325 971275 1562650 1942550 3125300 3885100 1214210303 2428420606 4856841212 6071051515 12142103030 24284206060 30355257575 60710515150 121421030300