Search a number
-
+
131653455554647 = 13101241416054759
BaseRepresentation
bin11101111011110011110101…
…011100111010100001010111
3122021010221120200100022012101
4131323303311130322201113
5114224002234110222042
61144000432412502531
736505435234056565
oct3573636534724127
9567127520308171
10131653455554647
1138a48a0a50a054
12129233a3a7aa47
13585cb38125520
1424720c00c8a35
15103491daa06b7
hex77bcf573a857

131653455554647 has 16 divisors (see below), whose sum is σ = 143778539741760. Its totient is φ = 119823770304000.

The previous prime is 131653455554629. The next prime is 131653455554683. The reversal of 131653455554647 is 746455554356131.

It is a cyclic number.

It is not a de Polignac number, because 131653455554647 - 223 = 131653447166039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131653455564647) 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, 207710947 + ... + 208343812.

It is an arithmetic number, because the mean of its divisors is an integer number (8986158733860).

Almost surely, 2131653455554647 is an apocalyptic number.

131653455554647 is a deficient number, since it is larger than the sum of its proper divisors (12125084187113).

131653455554647 is a wasteful number, since it uses less digits than its factorization.

131653455554647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416055114.

The product of its digits is 453600000, while the sum is 64.

The spelling of 131653455554647 in words is "one hundred thirty-one trillion, six hundred fifty-three billion, four hundred fifty-five million, five hundred fifty-four thousand, six hundred forty-seven".

Divisors: 1 13 101 241 1313 3133 24341 316433 416054759 5408711867 42021530659 100269196919 546279898567 1303499559947 10127188888819 131653455554647