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2917493664 = 2531131312053
BaseRepresentation
bin1010110111100101…
…0110101110100000
321112022210000220220
42231321112232200
521433334244124
61201300003040
7132204200301
oct25571265640
97468700826
102917493664
111267938198
12695090480
13376587417
141d968a7a8
151211e7879
hexade56ba0

2917493664 has 96 divisors (see below), whose sum is σ = 7788965184. Its totient is φ = 956067840.

The previous prime is 2917493639. The next prime is 2917493671. The reversal of 2917493664 is 4663947192.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1420062 + ... + 1422114.

It is an arithmetic number, because the mean of its divisors is an integer number (81135054).

Almost surely, 22917493664 is an apocalyptic number.

2917493664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2917493664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3894482592).

2917493664 is an abundant number, since it is smaller than the sum of its proper divisors (4871471520).

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

2917493664 is a wasteful number, since it uses less digits than its factorization.

2917493664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2302 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 2917493664 is about 54013.8284516104. The cubic root of 2917493664 is about 1428.9048396808.

The spelling of 2917493664 in words is "two billion, nine hundred seventeen million, four hundred ninety-three thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 113 131 226 262 339 393 452 524 678 786 904 1048 1356 1572 1808 2053 2096 2712 3144 3616 4106 4192 5424 6159 6288 8212 10848 12318 12576 14803 16424 24636 29606 32848 44409 49272 59212 65696 88818 98544 118424 177636 197088 231989 236848 268943 355272 463978 473696 537886 695967 710544 806829 927956 1075772 1391934 1421088 1613658 1855912 2151544 2783868 3227316 3711824 4303088 5567736 6454632 7423648 8606176 11135472 12909264 22270944 25818528 30390559 60781118 91171677 121562236 182343354 243124472 364686708 486248944 729373416 972497888 1458746832 2917493664