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136537472747 = 13731131273231
BaseRepresentation
bin111111100101001000…
…1000111111011101011
3111001102112100021022002
41333022101013323223
54214112043111442
6142420251521215
712602345240444
oct1771221077353
9431375307262
10136537472747
11529a5931175
122256615920b
13cb4c415ac0
1468738262cb
153841c67732
hex1fca447eeb

136537472747 has 16 divisors (see below), whose sum is σ = 150373792128. Its totient is φ = 123207920640.

The previous prime is 136537472713. The next prime is 136537472749. The reversal of 136537472747 is 747274735631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136537472747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136537472692 and 136537472701.

It is not an unprimeable number, because it can be changed into a prime (136537472749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529379 + ... + 743852.

It is an arithmetic number, because the mean of its divisors is an integer number (9398362008).

Almost surely, 2136537472747 is an apocalyptic number.

136537472747 is a deficient number, since it is larger than the sum of its proper divisors (13836319381).

136537472747 is a wasteful number, since it uses less digits than its factorization.

136537472747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273430.

The product of its digits is 20744640, while the sum is 56.

The spelling of 136537472747 in words is "one hundred thirty-six billion, five hundred thirty-seven million, four hundred seventy-two thousand, seven hundred forty-seven".

Divisors: 1 13 73 113 949 1469 8249 107237 1273231 16552003 92945863 143875103 1208296219 1870376339 10502882519 136537472747