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231550132106 = 22930713004051
BaseRepresentation
bin1101011110100101110…
…1101001111110001010
3211010200010102110100202
43113221131221332022
512243203313211411
6254212254532202
722505012435306
oct3275135517612
9733603373322
10231550132106
118a222016447
1238a61807062
1318ab18a9ab7
14b2c835cd06
1560531eb83b
hex35e9769f8a

231550132106 has 16 divisors (see below), whose sum is σ = 360472321440. Its totient is φ = 111418700400.

The previous prime is 231550131947. The next prime is 231550132111. The reversal of 231550132106 is 601231055132.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6484220 + ... + 6519831.

It is an arithmetic number, because the mean of its divisors is an integer number (22529520090).

Almost surely, 2231550132106 is an apocalyptic number.

231550132106 is a deficient number, since it is larger than the sum of its proper divisors (128922189334).

231550132106 is a wasteful number, since it uses less digits than its factorization.

231550132106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004389.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 231550132106 its reverse (601231055132), we get a palindrome (832781187238).

The spelling of 231550132106 in words is "two hundred thirty-one billion, five hundred fifty million, one hundred thirty-two thousand, one hundred six".

Divisors: 1 2 29 58 307 614 8903 17806 13004051 26008102 377117479 754234958 3992243657 7984487314 115775066053 231550132106