Search a number
-
+
2153661654313 = 1323181106137507
BaseRepresentation
bin11111010101110000001…
…111001110010100101001
321121212222101100200021001
4133111300033032110221
5240241144340414223
64325213431315001
7311411513005231
oct37256017162451
97555871320231
102153661654313
117603a9949024
122a9488b1ba61
131281215cc890
147634867ccc1
153b04d29b9ad
hex1f5703ce529

2153661654313 has 32 divisors (see below), whose sum is σ = 2435897947392. Its totient is φ = 1889222227200.

The previous prime is 2153661654191. The next prime is 2153661654323. The reversal of 2153661654313 is 3134561663512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2153661654313 - 213 = 2153661646121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2153661654323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57401506 + ... + 57439012.

It is an arithmetic number, because the mean of its divisors is an integer number (76121810856).

Almost surely, 22153661654313 is an apocalyptic number.

2153661654313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2153661654313 is a deficient number, since it is larger than the sum of its proper divisors (282236293079).

2153661654313 is a wasteful number, since it uses less digits than its factorization.

2153661654313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38785.

The product of its digits is 1166400, while the sum is 46.

The spelling of 2153661654313 in words is "two trillion, one hundred fifty-three billion, six hundred sixty-one million, six hundred fifty-four thousand, three hundred thirteen".

Divisors: 1 13 23 181 299 1061 2353 4163 13793 24403 37507 54119 192041 317239 487591 862661 2496533 4416943 6788767 11214593 39794927 57420259 88253971 156141641 517334051 915283321 2029841333 7202881787 11898683173 93637463231 165666281101 2153661654313