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2378888961 = 31375788051
BaseRepresentation
bin1000110111001010…
…1111011100000001
320010210022002011120
42031302233130001
514332443421321
61032015502453
7112644136221
oct21562573401
96123262146
102378888961
111010903539
12564827a29
132bbb06907
14187d26081
15ddca5ec6
hex8dcaf701

2378888961 has 8 divisors (see below), whose sum is σ = 3195004704. Its totient is φ = 1574349600.

The previous prime is 2378888947. The next prime is 2378888969. The reversal of 2378888961 is 1698888732.

2378888961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2378888961 - 25 = 2378888929 is a prime.

It is a super-2 number, since 2×23788889612 = 11318225377535319042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2378888895 and 2378888904.

It is not an unprimeable number, because it can be changed into a prime (2378888969) 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, 2893615 + ... + 2894436.

It is an arithmetic number, because the mean of its divisors is an integer number (399375588).

Almost surely, 22378888961 is an apocalyptic number.

It is an amenable number.

2378888961 is a deficient number, since it is larger than the sum of its proper divisors (816115743).

2378888961 is a wasteful number, since it uses less digits than its factorization.

2378888961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788191.

The product of its digits is 9289728, while the sum is 60.

The square root of 2378888961 is about 48773.8553017905. The cubic root of 2378888961 is about 1334.9286595159.

The spelling of 2378888961 in words is "two billion, three hundred seventy-eight million, eight hundred eighty-eight thousand, nine hundred sixty-one".

Divisors: 1 3 137 411 5788051 17364153 792962987 2378888961