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1232131210 = 25509242069
BaseRepresentation
bin100100101110000…
…1101010010001010
310011212110202021021
41021130031102022
510010411144320
6322132503054
742350641162
oct11134152212
93155422237
101232131210
11582562462
122a477aa8a
1316836452b
14b98d55a2
1573285daa
hex4970d48a

1232131210 has 16 divisors (see below), whose sum is σ = 2222202600. Its totient is φ = 491882176.

The previous prime is 1232131189. The next prime is 1232131211. The reversal of 1232131210 is 121312321.

It can be written as a sum of positive squares in 4 ways, for example, as 1229694489 + 2436721 = 35067^2 + 1561^2 .

It is not an unprimeable number, because it can be changed into a prime (1232131211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115945 + ... + 126124.

Almost surely, 21232131210 is an apocalyptic number.

1232131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232131210 is a deficient number, since it is larger than the sum of its proper divisors (990071390).

1232131210 is a wasteful number, since it uses less digits than its factorization.

1232131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242585.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1232131210 is about 35101.7265957104. The cubic root of 1232131210 is about 1072.0597381919.

Adding to 1232131210 its reverse (121312321), we get a palindrome (1353443531).

The spelling of 1232131210 in words is "one billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 509 1018 2545 5090 242069 484138 1210345 2420690 123213121 246426242 616065605 1232131210