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131487490766017 = 1947532778159073
BaseRepresentation
bin11101111001011001010001…
…001011011111010011000001
3122020120002012022022111110001
4131321121101023133103001
5114213242340114003032
61143352304103240001
736460441411460221
oct3571312113372301
9566502168274401
10131487490766017
1138994593735a11
12128b71a6749001
13584a2a919ab99
142468058330081
1510304586333e7
hex7796512df4c1

131487490766017 has 16 divisors (see below), whose sum is σ = 144019766396160. Its totient is φ = 119616417004032.

The previous prime is 131487490765957. The next prime is 131487490766041. The reversal of 131487490766017 is 710667094784131.

It is a cyclic number.

It is not a de Polignac number, because 131487490766017 - 27 = 131487490765889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131487490766017.

It is not an unprimeable number, because it can be changed into a prime (131487490766057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389032208 + ... + 1389126865.

It is an arithmetic number, because the mean of its divisors is an integer number (9001235399760).

Almost surely, 2131487490766017 is an apocalyptic number.

It is an amenable number.

131487490766017 is a deficient number, since it is larger than the sum of its proper divisors (12532275630143).

131487490766017 is a wasteful number, since it uses less digits than its factorization.

131487490766017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778159192.

The product of its (nonzero) digits is 42674688, while the sum is 64.

The spelling of 131487490766017 in words is "one hundred thirty-one trillion, four hundred eighty-seven billion, four hundred ninety million, seven hundred sixty-six thousand, seventeen".

Divisors: 1 19 47 53 893 1007 2491 47329 2778159073 52785022387 130573476431 147242430869 2480896052189 2797606186511 6920394250843 131487490766017