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131685377676 = 223211351114813
BaseRepresentation
bin111101010100100001…
…1110110011010001100
3110120220101021022011020
41322221003312122030
54124142424041201
6140255002354140
712341200145616
oct1725103663214
9416811238136
10131685377676
1150935a65346
12216311bb950
13c558101628
146533265db6
15365acc9a36
hex1ea90f668c

131685377676 has 48 divisors (see below), whose sum is σ = 308830894848. Its totient is φ = 43671700800.

The previous prime is 131685377671. The next prime is 131685377699. The reversal of 131685377676 is 676773586131.

It is not an unprimeable number, because it can be changed into a prime (131685377671) by changing a digit.

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, 8882446 + ... + 8897258.

It is an arithmetic number, because the mean of its divisors is an integer number (6433976976).

Almost surely, 2131685377676 is an apocalyptic number.

It is an amenable number.

131685377676 is an abundant number, since it is smaller than the sum of its proper divisors (177145517172).

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

131685377676 is a wasteful number, since it uses less digits than its factorization.

131685377676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18542 (or 18540 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 60.

The spelling of 131685377676 in words is "one hundred thirty-one billion, six hundred eighty-five million, three hundred seventy-seven thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 211 422 633 844 1266 2532 3511 7022 10533 14044 14813 21066 29626 42132 44439 59252 88878 177756 740821 1481642 2222463 2963284 3125543 4444926 6251086 8889852 9376629 12502172 18753258 37506516 52008443 104016886 156025329 208033772 312050658 624101316 10973781473 21947562946 32921344419 43895125892 65842688838 131685377676