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2468989422661 = 19307423279517
BaseRepresentation
bin100011111011011011001…
…111001100110001000101
322202000220010012000100011
4203323123033030301011
5310422442243011121
65130123231550221
7343243600552066
oct43733317146105
98660803160304
102468989422661
11872102187573
1233a60b68b371
1314ba94b485a8
14876dd36656d
15443564167e1
hex23edb3ccc45

2468989422661 has 8 divisors (see below), whose sum is σ = 2607401830880. Its totient is φ = 2331423574128.

The previous prime is 2468989422619. The next prime is 2468989422673. The reversal of 2468989422661 is 1662249898642.

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

It is a cyclic number.

It is not a de Polignac number, because 2468989422661 - 217 = 2468989291589 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 (2468989462661) 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 7 ways as a sum of consecutive naturals, for example, 211633926 + ... + 211645591.

It is an arithmetic number, because the mean of its divisors is an integer number (325925228860).

Almost surely, 22468989422661 is an apocalyptic number.

It is an amenable number.

2468989422661 is a deficient number, since it is larger than the sum of its proper divisors (138412408219).

2468989422661 is a wasteful number, since it uses less digits than its factorization.

2468989422661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423279843.

The product of its digits is 143327232, while the sum is 67.

The spelling of 2468989422661 in words is "two trillion, four hundred sixty-eight billion, nine hundred eighty-nine million, four hundred twenty-two thousand, six hundred sixty-one".

Divisors: 1 19 307 5833 423279517 8042310823 129946811719 2468989422661