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2990944636 = 2243181191503
BaseRepresentation
bin1011001001000110…
…0011000101111100
321201102222201201021
42302101203011330
522111140212021
61212442153524
7134055416131
oct26221430574
97642881637
102990944636
1112a5345a79
126b57b28a4
13388863934
1420532a588
151278a5c41
hexb246317c

2990944636 has 48 divisors (see below), whose sum is σ = 5424427008. Its totient is φ = 1442145600.

The previous prime is 2990944577. The next prime is 2990944637. The reversal of 2990944636 is 6364490992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990944637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5945961 + ... + 5946463.

It is an arithmetic number, because the mean of its divisors is an integer number (113008896).

Almost surely, 22990944636 is an apocalyptic number.

It is an amenable number.

2990944636 is a deficient number, since it is larger than the sum of its proper divisors (2433482372).

2990944636 is a wasteful number, since it uses less digits than its factorization.

2990944636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The square root of 2990944636 is about 54689.5294914849. The cubic root of 2990944636 is about 1440.7969861571.

The spelling of 2990944636 in words is "two billion, nine hundred ninety million, nine hundred forty-four thousand, six hundred thirty-six".

Divisors: 1 2 4 43 86 172 181 191 362 382 503 724 764 1006 2012 7783 8213 15566 16426 21629 31132 32852 34571 43258 69142 86516 91043 96073 138284 182086 192146 364172 384292 1486553 2973106 3914849 4131139 5946212 7829698 8262278 15659396 16524556 17389213 34778426 69556852 747736159 1495472318 2990944636