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2943946044 = 2232137386171
BaseRepresentation
bin1010111101111001…
…0000110100111100
321121011112221202200
42233132100310330
522012122233134
61204042551500
7132645062034
oct25736206474
97534487680
102943946044
111280865266
126a1b08590
1337bbb9710
141dcdb48c4
151236c0499
hexaf790d3c

2943946044 has 72 divisors (see below), whose sum is σ = 8123951472. Its totient is φ = 893410560.

The previous prime is 2943946043. The next prime is 2943946063. The reversal of 2943946044 is 4406493492.

2943946044 is a `hidden beast` number, since 2 + 9 + 4 + 39 + 4 + 604 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943946043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8922 + ... + 77249.

Almost surely, 22943946044 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 2943946044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4061975736).

2943946044 is an abundant number, since it is smaller than the sum of its proper divisors (5180005428).

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

2943946044 is a wasteful number, since it uses less digits than its factorization.

2943946044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86267 (or 86262 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 2943946044 is about 54258.1426515873. The cubic root of 2943946044 is about 1433.2103926042.

The spelling of 2943946044 in words is "two billion, nine hundred forty-three million, nine hundred forty-six thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 73 78 117 146 156 219 234 292 438 468 657 876 949 1314 1898 2628 2847 3796 5694 8541 11388 17082 34164 86171 172342 258513 344684 517026 775539 1034052 1120223 1551078 2240446 3102156 3360669 4480892 6290483 6721338 10082007 12580966 13442676 18871449 20164014 25161932 37742898 40328028 56614347 75485796 81776279 113228694 163552558 226457388 245328837 327105116 490657674 735986511 981315348 1471973022 2943946044