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131349062642 = 27376115127529
BaseRepresentation
bin111101001010100000…
…0111010001111110010
3110120000221102201122212
41322111000322033302
54123000330001032
6140201350132122
712326644416410
oct1722500721762
9416027381585
10131349062642
1150783137936
1221558651042
13c50352a355
14650071c2b0
15363b4e5bb2
hex1e9503a3f2

131349062642 has 64 divisors (see below), whose sum is σ = 236611760640. Its totient is φ = 53514432000.

The previous prime is 131349062627. The next prime is 131349062651. The reversal of 131349062642 is 246260943131.

It is a self number, because there is not a number n which added to its sum of digits gives 131349062642.

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 31 ways as a sum of consecutive naturals, for example, 4757534 + ... + 4785062.

It is an arithmetic number, because the mean of its divisors is an integer number (3697058760).

Almost surely, 2131349062642 is an apocalyptic number.

131349062642 is a deficient number, since it is larger than the sum of its proper divisors (105262697998).

131349062642 is a wasteful number, since it uses less digits than its factorization.

131349062642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 131349062642 in words is "one hundred thirty-one billion, three hundred forty-nine million, sixty-two thousand, six hundred forty-two".

Divisors: 1 2 7 14 37 61 74 122 151 259 302 427 518 854 1057 2114 2257 4514 5587 9211 11174 15799 18422 27529 31598 39109 55058 64477 78218 128954 192703 340807 385406 681614 1018573 1679269 2037146 2385649 3358538 4156879 4771298 7130011 8313758 11754883 14260022 23509766 29098153 58196306 62132953 124265906 153804523 253569619 307609046 434930671 507139238 869861342 1076631661 1774987333 2153263322 3549974666 9382075903 18764151806 65674531321 131349062642