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2913783894 = 233747401409
BaseRepresentation
bin1010110110101100…
…1101000001010110
321112001210120002000
42231223031001112
521431412041034
61201044300130
7132130516530
oct25553150126
97461716060
102913783894
111265833a6a
126939a1646
133758889a8
141d8da2850
15120c13599
hexadacd056

2913783894 has 128 divisors (see below), whose sum is σ = 7594905600. Its totient is φ = 810777600.

The previous prime is 2913783827. The next prime is 2913783923. The reversal of 2913783894 is 4983873192.

2913783894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 2913783894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7123962 + ... + 7124370.

It is an arithmetic number, because the mean of its divisors is an integer number (59335200).

Almost surely, 22913783894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2913783894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3797452800).

2913783894 is an abundant number, since it is smaller than the sum of its proper divisors (4681121706).

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

2913783894 is a wasteful number, since it uses less digits than its factorization.

2913783894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 869 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 2913783894 is about 53979.4765999079. The cubic root of 2913783894 is about 1428.2989364279.

The spelling of 2913783894 in words is "two billion, nine hundred thirteen million, seven hundred eighty-three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 47 54 63 94 126 141 189 282 329 378 401 409 423 658 802 818 846 987 1203 1227 1269 1974 2406 2454 2538 2807 2863 2961 3609 3681 5614 5726 5922 7218 7362 8421 8589 8883 10827 11043 16842 17178 17766 18847 19223 21654 22086 25263 25767 37694 38446 50526 51534 56541 57669 75789 77301 113082 115338 131929 134561 151578 154602 164009 169623 173007 263858 269122 328018 339246 346014 395787 403683 492027 508869 519021 791574 807366 984054 1017738 1038042 1148063 1187361 1211049 1476081 2296126 2374722 2422098 2952162 3444189 3562083 3633147 4428243 6888378 7124166 7266294 7708423 8856486 10332567 15416846 20665134 23125269 30997701 46250538 53958961 61995402 69375807 107917922 138751614 161876883 208127421 323753766 416254842 485630649 971261298 1456891947 2913783894