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980893375988 = 22769318886013
BaseRepresentation
bin11100100011000011100…
…11010001110111110100
310110202212010221100200212
432101201303101313310
5112032332201012423
62030341033124552
7130603311061601
oct16214163216764
93422763840625
10980893375988
11348aa3814539
1213a12b259758
1371661a08566
1435692a756a8
151a7ae169578
hexe461cd1df4

980893375988 has 12 divisors (see below), whose sum is σ = 1718795615460. Its totient is φ = 489808914432.

The previous prime is 980893375981. The next prime is 980893375997. The reversal of 980893375988 is 889573398089.

It can be written as a sum of positive squares in 2 ways, for example, as 282218062564 + 698675313424 = 531242^2 + 835868^2 .

It is a super-2 number, since 2×9808933759882 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980893375981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159439931 + ... + 159446082.

It is an arithmetic number, because the mean of its divisors is an integer number (143232967955).

Almost surely, 2980893375988 is an apocalyptic number.

It is an amenable number.

980893375988 is a deficient number, since it is larger than the sum of its proper divisors (737902239472).

980893375988 is a wasteful number, since it uses less digits than its factorization.

980893375988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318886786 (or 318886784 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 77.

The spelling of 980893375988 in words is "nine hundred eighty billion, eight hundred ninety-three million, three hundred seventy-five thousand, nine hundred eighty-eight".

Divisors: 1 2 4 769 1538 3076 318886013 637772026 1275544052 245223343997 490446687994 980893375988