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2989409676 = 22311176121839
BaseRepresentation
bin1011001000101110…
…1100010110001100
321201100002202010220
42302023230112030
522110242102201
61212345231340
7134036364051
oct26213542614
97640082126
102989409676
1112a4497810
126b5192550
13388447086
1420504b028
151276a1036
hexb22ec58c

2989409676 has 96 divisors (see below), whose sum is σ = 8189475840. Its totient is φ = 838579200.

The previous prime is 2989409663. The next prime is 2989409677. The reversal of 2989409676 is 6769049892.

It is not an unprimeable number, because it can be changed into a prime (2989409677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125965 + ... + 147803.

It is an arithmetic number, because the mean of its divisors is an integer number (85307040).

Almost surely, 22989409676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989409676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4094737920).

2989409676 is an abundant number, since it is smaller than the sum of its proper divisors (5200066164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2989409676 is a wasteful number, since it uses less digits than its factorization.

2989409676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21935 (or 21933 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 60.

The square root of 2989409676 is about 54675.4942913185. The cubic root of 2989409676 is about 1440.5504704855.

The spelling of 2989409676 in words is "two billion, nine hundred eighty-nine million, four hundred nine thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 17 22 33 34 44 51 61 66 68 102 122 132 183 187 204 244 366 374 561 671 732 748 1037 1122 1342 2013 2074 2244 2684 3111 4026 4148 6222 8052 11407 12444 21839 22814 34221 43678 45628 65517 68442 87356 131034 136884 240229 262068 371263 480458 720687 742526 960916 1113789 1332179 1441374 1485052 2227578 2664358 2882748 3996537 4083893 4455156 5328716 7993074 8167786 12251679 14653969 15986148 16335572 22647043 24503358 29307938 43961907 45294086 49006716 58615876 67941129 87923814 90588172 135882258 175847628 249117473 271764516 498234946 747352419 996469892 1494704838 2989409676