Search a number
-
+
232131333020 = 22519610871929
BaseRepresentation
bin1101100000110000011…
…0110000101110011100
3211012011122001112010112
43120030012300232130
512300401110124040
6254350100025152
722525300526516
oct3301406605634
9735148045115
10232131333020
118a4a00a4284
1238ba43921b8
1318b75122a72
14b341610bb6
156089254365
hex360c1b0b9c

232131333020 has 24 divisors (see below), whose sum is σ = 513132421200. Its totient is φ = 87965557632.

The previous prime is 232131333017. The next prime is 232131333023. The reversal of 232131333020 is 20333131232.

It is an interprime number because it is at equal distance from previous prime (232131333017) and next prime (232131333023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232131333023) by changing a digit.

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, 305435585 + ... + 305436344.

It is an arithmetic number, because the mean of its divisors is an integer number (21380517550).

Almost surely, 2232131333020 is an apocalyptic number.

232131333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232131333020 is an abundant number, since it is smaller than the sum of its proper divisors (281001088180).

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

232131333020 is a wasteful number, since it uses less digits than its factorization.

232131333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610871957 (or 610871955 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 232131333020 its reverse (20333131232), we get a palindrome (252464464252).

The spelling of 232131333020 in words is "two hundred thirty-two billion, one hundred thirty-one million, three hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 610871929 1221743858 2443487716 3054359645 6108719290 11606566651 12217438580 23213133302 46426266604 58032833255 116065666510 232131333020