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980656853 = 1189150623
BaseRepresentation
bin111010011100111…
…010001011010101
32112100021112022012
4322130322023111
54002022004403
6241150514005
733205305611
oct7234721325
92470245265
10980656853
11463612010
12234505905
13128226a37
1494354341
155b15eed8
hex3a73a2d5

980656853 has 4 divisors (see below), whose sum is σ = 1069807488. Its totient is φ = 891506220.

The previous prime is 980656847. The next prime is 980656871. The reversal of 980656853 is 358656089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 980656853 - 214 = 980640469 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 (980656813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44575301 + ... + 44575322.

It is an arithmetic number, because the mean of its divisors is an integer number (267451872).

Almost surely, 2980656853 is an apocalyptic number.

It is an amenable number.

980656853 is a deficient number, since it is larger than the sum of its proper divisors (89150635).

980656853 is a wasteful number, since it uses less digits than its factorization.

980656853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89150634.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 980656853 is about 31315.4411273416. The cubic root of 980656853 is about 993.5102587001.

The spelling of 980656853 in words is "nine hundred eighty million, six hundred fifty-six thousand, eight hundred fifty-three".

Divisors: 1 11 89150623 980656853