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848939261641 = 9213792
BaseRepresentation
bin11000101101010001011…
…10010001111011001001
310000011021000222211010121
430112220232101323021
5102402111422333031
61445555230343241
7115222335443062
oct14265056217311
93004230884117
10848939261641
112a8040099379
1211864405ab21
1362093034163
142d135c57569
15171399a9011
hexc5a8b91ec9

848939261641 has 3 divisors (see below), whose sum is σ = 848940183021. Its totient is φ = 848938340262.

The previous prime is 848939261593. The next prime is 848939261657. The reversal of 848939261641 is 146162939848.

It is a happy number.

The square root of 848939261641 is 921379.

It is a perfect power (a square), and thus also a powerful number.

848939261641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 848939261641 - 217 = 848939130569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 848939261641.

It is not an unprimeable number, because it can be changed into a prime (848939201641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 460690 + ... + 1382068.

It is an arithmetic number, because the mean of its divisors is an integer number (282980061007).

Almost surely, 2848939261641 is an apocalyptic number.

848939261641 is the 921379-th square number.

848939261641 is the 460690-th centered octagonal number.

It is an amenable number.

848939261641 is a deficient number, since it is larger than the sum of its proper divisors (921380).

848939261641 is an frugal number, since it uses more digits than its factorization.

848939261641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842758 (or 921379 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 61.

The spelling of 848939261641 in words is "eight hundred forty-eight billion, nine hundred thirty-nine million, two hundred sixty-one thousand, six hundred forty-one".

Divisors: 1 921379 848939261641