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200412431121 = 379543449101
BaseRepresentation
bin1011101010100110000…
…0110000001100010001
3201011022002100100122010
42322221200300030101
511240421040243441
6232022421533133
720323256362050
oct2725140601421
9634262310563
10200412431121
1177aa3657871
1232a118741a9
1315b8b8c3a66
1499b2ba0397
15532e791116
hex2ea9830311

200412431121 has 8 divisors (see below), whose sum is σ = 305390371264. Its totient is φ = 114521389200.

The previous prime is 200412431111. The next prime is 200412431161. The reversal of 200412431121 is 121134214002.

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

It is not a de Polignac number, because 200412431121 - 211 = 200412429073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9543449101 = 200412431121 / (2 + 0 + 0 + 4 + 1 + 2 + 4 + 3 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200412431101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4771724530 + ... + 4771724571.

It is an arithmetic number, because the mean of its divisors is an integer number (38173796408).

Almost surely, 2200412431121 is an apocalyptic number.

200412431121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200412431121 is a deficient number, since it is larger than the sum of its proper divisors (104977940143).

200412431121 is an equidigital number, since it uses as much as digits as its factorization.

200412431121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9543449111.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 200412431121 its reverse (121134214002), we get a palindrome (321546645123).

The spelling of 200412431121 in words is "two hundred billion, four hundred twelve million, four hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 3 7 21 9543449101 28630347303 66804143707 200412431121