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2042481280 = 27571632797
BaseRepresentation
bin111100110111101…
…1100101010000000
312021100021210120211
41321233130222000
513140333400110
6534401243504
7101420542630
oct17157345200
95240253524
102042481280
11958a22464
12490033594
132671cc408
141553966c0
15be4a498a
hex79bdca80

2042481280 has 128 divisors (see below), whose sum is σ = 5616593280. Its totient is φ = 695734272.

The previous prime is 2042481271. The next prime is 2042481313. The reversal of 2042481280 is 821842402.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728842 + ... + 731638.

It is an arithmetic number, because the mean of its divisors is an integer number (43879635).

Almost surely, 22042481280 is an apocalyptic number.

2042481280 is a gapful number since it is divisible by the number (20) 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 2042481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2808296640).

2042481280 is an abundant number, since it is smaller than the sum of its proper divisors (3574112000).

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

2042481280 is a wasteful number, since it uses less digits than its factorization.

2042481280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 2042481280 is about 45193.8190464139. The cubic root of 2042481280 is about 1268.7791355067.

The spelling of 2042481280 in words is "two billion, forty-two million, four hundred eighty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 163 224 280 320 326 448 560 640 652 815 896 1120 1141 1304 1630 2240 2282 2608 2797 3260 4480 4564 5216 5594 5705 6520 9128 10432 11188 11410 13040 13985 18256 19579 20864 22376 22820 26080 27970 36512 39158 44752 45640 52160 55940 73024 78316 89504 91280 97895 104320 111880 146048 156632 179008 182560 195790 223760 313264 358016 365120 391580 447520 455911 626528 730240 783160 895040 911822 1253056 1566320 1790080 1823644 2279555 2506112 3132640 3191377 3647288 4559110 6265280 6382754 7294576 9118220 12530560 12765508 14589152 15956885 18236440 25531016 29178304 31913770 36472880 51062032 58356608 63827540 72945760 102124064 127655080 145891520 204248128 255310160 291783040 408496256 510620320 1021240640 2042481280