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131352513212 = 2239541830483
BaseRepresentation
bin111101001010100111…
…0000100101010111100
3110120001011221000221202
41322111032010222330
54123002220410322
6140201552115032
712330015640364
oct1722516045274
9416034830852
10131352513212
1150785084348
1221559835a78
13c504167acb
146500d799a4
15363b978292
hex1e95384abc

131352513212 has 12 divisors (see below), whose sum is σ = 229872988296. Its totient is φ = 65674516560.

The previous prime is 131352513209. The next prime is 131352513221. The reversal of 131352513212 is 212315253131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257078 + ... + 573405.

It is an arithmetic number, because the mean of its divisors is an integer number (19156082358).

Almost surely, 2131352513212 is an apocalyptic number.

It is an amenable number.

131352513212 is a deficient number, since it is larger than the sum of its proper divisors (98520475084).

131352513212 is a wasteful number, since it uses less digits than its factorization.

131352513212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870028 (or 870026 counting only the distinct ones).

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

Adding to 131352513212 its reverse (212315253131), we get a palindrome (343667766343).

The spelling of 131352513212 in words is "one hundred thirty-one billion, three hundred fifty-two million, five hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 39541 79082 158164 830483 1660966 3321932 32838128303 65676256606 131352513212