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23201132132 = 229296243577
BaseRepresentation
bin10101100110111001…
…010010111001100100
32012212221000122000002
4111212321102321210
5340003442212012
614354120440432
71450642240433
oct254671227144
965787018002
1023201132132
119926485a72
1245b6019118
132259951869
1411a14c711a
1590bcde7c2
hex566e52e64

23201132132 has 12 divisors (see below), whose sum is σ = 40645692780. Its totient is φ = 11588077056.

The previous prime is 23201132099. The next prime is 23201132137. The reversal of 23201132132 is 23123110232.

It can be written as a sum of positive squares in 2 ways, for example, as 501491236 + 22699640896 = 22394^2 + 150664^2 .

It is not an unprimeable number, because it can be changed into a prime (23201132137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118073 + ... + 3125504.

It is an arithmetic number, because the mean of its divisors is an integer number (3387141065).

Almost surely, 223201132132 is an apocalyptic number.

It is an amenable number.

23201132132 is a deficient number, since it is larger than the sum of its proper divisors (17444560648).

23201132132 is a wasteful number, since it uses less digits than its factorization.

23201132132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244510 (or 6244508 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23201132132 its reverse (23123110232), we get a palindrome (46324242364).

The spelling of 23201132132 in words is "twenty-three billion, two hundred one million, one hundred thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 929 1858 3716 6243577 12487154 24974308 5800283033 11600566066 23201132132