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131453145513 = 335903824773
BaseRepresentation
bin111101001101100110…
…1111101000110101001
3110120022012021200112000
41322123031331012221
54123204001124023
6140215545041213
712332350205124
oct1723315750651
9416265250460
10131453145513
1150826967938
1221587486209
13c51bc70351
1465104933bb
153645705243
hex1e9b37d1a9

131453145513 has 16 divisors (see below), whose sum is σ = 194778627840. Its totient is φ = 87620478192.

The previous prime is 131453145511. The next prime is 131453145553. The reversal of 131453145513 is 315541354131.

131453145513 is a `hidden beast` number, since 1 + 31 + 4 + 531 + 45 + 51 + 3 = 666.

It is not a de Polignac number, because 131453145513 - 21 = 131453145511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131453145511) 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, 253006 + ... + 571767.

It is an arithmetic number, because the mean of its divisors is an integer number (12173664240).

Almost surely, 2131453145513 is an apocalyptic number.

It is an amenable number.

131453145513 is a deficient number, since it is larger than the sum of its proper divisors (63325482327).

131453145513 is an equidigital number, since it uses as much as digits as its factorization.

131453145513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830685 (or 830679 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

Adding to 131453145513 its reverse (315541354131), we get a palindrome (446994499644).

The spelling of 131453145513 in words is "one hundred thirty-one billion, four hundred fifty-three million, one hundred forty-five thousand, five hundred thirteen".

Divisors: 1 3 9 27 5903 17709 53127 159381 824773 2474319 7422957 22268871 4868635019 14605905057 43817715171 131453145513