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2943641934 = 232163535663
BaseRepresentation
bin1010111101110100…
…0110100101001110
321121010222111121100
42233131012211032
522012033020214
61204032243530
7132642354312
oct25735064516
97533874540
102943641934
111280677832
126a19a05a6
1337bb1117c
141dcd35b42
15123660309
hexaf74694e

2943641934 has 12 divisors (see below), whose sum is σ = 6377890896. Its totient is φ = 981213972.

The previous prime is 2943641917. The next prime is 2943641947. The reversal of 2943641934 is 4391463492.

2943641934 is a `hidden beast` number, since 29 + 436 + 4 + 193 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2943641934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81767814 + ... + 81767849.

It is an arithmetic number, because the mean of its divisors is an integer number (531490908).

Almost surely, 22943641934 is an apocalyptic number.

2943641934 is an abundant number, since it is smaller than the sum of its proper divisors (3434248962).

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

2943641934 is a wasteful number, since it uses less digits than its factorization.

2943641934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163535671 (or 163535668 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 2943641934 is about 54255.3401426993. The cubic root of 2943641934 is about 1433.1610406330.

The spelling of 2943641934 in words is "two billion, nine hundred forty-three million, six hundred forty-one thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 163535663 327071326 490606989 981213978 1471820967 2943641934