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123001312132 = 22479607105761
BaseRepresentation
bin111001010001101110…
…0110001001110000100
3102202111011200001202001
41302203130301032010
54003401313442012
6132301144555044
711613041621356
oct1624334611604
9382434601661
10123001312132
114818a041376
121ba08a82a84
13b7a2c3abca
145d4bbb10d6
1532ed708357
hex1ca3731384

123001312132 has 24 divisors (see below), whose sum is σ = 216059074560. Its totient is φ = 61270575360.

The previous prime is 123001312121. The next prime is 123001312157. The reversal of 123001312132 is 231213100321.

It is an unprimeable number.

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, 1110132 + ... + 1215892.

It is an arithmetic number, because the mean of its divisors is an integer number (9002461440).

Almost surely, 2123001312132 is an apocalyptic number.

It is an amenable number.

123001312132 is a deficient number, since it is larger than the sum of its proper divisors (93057762428).

123001312132 is a wasteful number, since it uses less digits than its factorization.

123001312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106851 (or 106849 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123001312132 its reverse (231213100321), we get a palindrome (354214412453).

The spelling of 123001312132 in words is "one hundred twenty-three billion, one million, three hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 479 607 958 1214 1916 2428 105761 211522 290753 423044 581506 1163012 50659519 64196927 101319038 128393854 202638076 256787708 30750328033 61500656066 123001312132