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232512211421 = 753626717551
BaseRepresentation
bin1101100010001011001…
…1101100100111011101
3211020011011202011001222
43120202303230213131
512302141111231141
6254451543343125
722540604121260
oct3304263544735
9736134664058
10232512211421
118a676099916
123908ba51aa5
1318c05cca9b9
14b37a038cd7
1560ac8dc14b
hex3622cec9dd

232512211421 has 8 divisors (see below), whose sum is σ = 270741982464. Its totient is φ = 195535875600.

The previous prime is 232512211391. The next prime is 232512211423. The reversal of 232512211421 is 124112215232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-232512211421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232512211423) 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, 313358405 + ... + 313359146.

It is an arithmetic number, because the mean of its divisors is an integer number (33842747808).

Almost surely, 2232512211421 is an apocalyptic number.

It is an amenable number.

232512211421 is a deficient number, since it is larger than the sum of its proper divisors (38229771043).

232512211421 is an equidigital number, since it uses as much as digits as its factorization.

232512211421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626717611.

The product of its digits is 1920, while the sum is 26.

Adding to 232512211421 its reverse (124112215232), we get a palindrome (356624426653).

The spelling of 232512211421 in words is "two hundred thirty-two billion, five hundred twelve million, two hundred eleven thousand, four hundred twenty-one".

Divisors: 1 7 53 371 626717551 4387022857 33216030203 232512211421