Search a number
-
+
231752416901 is a prime number
BaseRepresentation
bin1101011111010110000…
…1010011111010000101
3211011012020001120221012
43113311201103322011
512244112104320101
6254244322332005
722513020020015
oct3276541237205
9734166046835
10231752416901
118a316219a65
1238ab94ba005
1318b14784045
14b307177c45
156065d57bbb
hex35f5853e85

231752416901 has 2 divisors, whose sum is σ = 231752416902. Its totient is φ = 231752416900.

The previous prime is 231752416891. The next prime is 231752416919. The reversal of 231752416901 is 109614257132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214182914401 + 17569502500 = 462799^2 + 132550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231752416901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231752416981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115876208450 + 115876208451.

It is an arithmetic number, because the mean of its divisors is an integer number (115876208451).

Almost surely, 2231752416901 is an apocalyptic number.

It is an amenable number.

231752416901 is a deficient number, since it is larger than the sum of its proper divisors (1).

231752416901 is an equidigital number, since it uses as much as digits as its factorization.

231752416901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 231752416901 in words is "two hundred thirty-one billion, seven hundred fifty-two million, four hundred sixteen thousand, nine hundred one".