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988947343444 = 223531030367979
BaseRepresentation
bin11100110010000011101…
…10101110100001010100
310111112122102220022000211
432121001312232201110
5112200331004442234
62034152141415204
7131310015502354
oct16310166564124
93445572808024
10988947343444
11351456aa2495
1213b7b856a504
1372346495888
1435c1858ab64
151aad1275164
hexe641dae854

988947343444 has 24 divisors (see below), whose sum is σ = 1735754549760. Its totient is φ = 493017786624.

The previous prime is 988947343441. The next prime is 988947343487. The reversal of 988947343444 is 444343749889.

It is a super-2 number, since 2×9889473434442 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 988947343444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988947343441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14513847 + ... + 14581825.

It is an arithmetic number, because the mean of its divisors is an integer number (72323106240).

Almost surely, 2988947343444 is an apocalyptic number.

It is an amenable number.

988947343444 is a deficient number, since it is larger than the sum of its proper divisors (746807206316).

988947343444 is a wasteful number, since it uses less digits than its factorization.

988947343444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78639 (or 78637 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 67.

The spelling of 988947343444 in words is "nine hundred eighty-eight billion, nine hundred forty-seven million, three hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 353 706 1412 10303 20606 41212 67979 135958 271916 3636959 7273918 14547836 23996587 47993174 95986348 700387637 1400775274 2801550548 247236835861 494473671722 988947343444