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131004125142 = 23113019657473
BaseRepresentation
bin111101000000001110…
…1000100111111010110
3110112010220101002100220
41322000131010333112
54121244024001032
6140103225015210
712315255455622
oct1720035047726
9415126332326
10131004125142
1150616460220
1221481024506
13c479c27517
1464aa9ac182
15361b0ac12c
hex1e80744fd6

131004125142 has 32 divisors (see below), whose sum is σ = 285922293120. Its totient is φ = 39685009920.

The previous prime is 131004125129. The next prime is 131004125171. The reversal of 131004125142 is 241521400131.

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 15 ways as a sum of consecutive naturals, for example, 129483 + ... + 527990.

It is an arithmetic number, because the mean of its divisors is an integer number (8935071660).

Almost surely, 2131004125142 is an apocalyptic number.

131004125142 is an abundant number, since it is smaller than the sum of its proper divisors (154918167978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131004125142 is a wasteful number, since it uses less digits than its factorization.

131004125142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660508.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 131004125142 its reverse (241521400131), we get a palindrome (372525525273).

The spelling of 131004125142 in words is "one hundred thirty-one billion, four million, one hundred twenty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 3019 6038 9057 18114 33209 66418 99627 199254 657473 1314946 1972419 3944838 7232203 14464406 21696609 43393218 1984910987 3969821974 5954732961 11909465922 21834020857 43668041714 65502062571 131004125142