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135164551161 = 3421107018647
BaseRepresentation
bin111110111100001101…
…1110101111111111001
3110220212211221121221110
41331320123311333321
54203304111114121
6142032125230533
712523334504553
oct1757033657771
9426784847843
10135164551161
1152360957932
1222242402449
13c990b58573
1467833624d3
1537b1470d76
hex1f786f5ff9

135164551161 has 8 divisors (see below), whose sum is σ = 180647477824. Its totient is φ = 89895662640.

The previous prime is 135164551121. The next prime is 135164551163. The reversal of 135164551161 is 161155461531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135164551161 - 27 = 135164551033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135164551163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53508061 + ... + 53510586.

It is an arithmetic number, because the mean of its divisors is an integer number (22580934728).

Almost surely, 2135164551161 is an apocalyptic number.

It is an amenable number.

135164551161 is a deficient number, since it is larger than the sum of its proper divisors (45482926663).

135164551161 is a wasteful number, since it uses less digits than its factorization.

135164551161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107019071.

The product of its digits is 54000, while the sum is 39.

The spelling of 135164551161 in words is "one hundred thirty-five billion, one hundred sixty-four million, five hundred fifty-one thousand, one hundred sixty-one".

Divisors: 1 3 421 1263 107018647 321055941 45054850387 135164551161