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2740731903 = 337132774027
BaseRepresentation
bin1010001101011100…
…0011111111111111
321002000011121101000
42203113003333333
521103111410103
61131543221343
7124626560010
oct24327037777
97060147330
102740731903
111187087498
12645a47853
13348a78470
141bddd7007
1511092daa3
hexa35c3fff

2740731903 has 64 divisors (see below), whose sum is σ = 5016632320. Its totient is φ = 1440084096.

The previous prime is 2740731871. The next prime is 2740731923. The reversal of 2740731903 is 3091370472.

It is a Cunningham number, because it is equal to 523522-1.

It is not a de Polignac number, because 2740731903 - 25 = 2740731871 is a prime.

It is a super-2 number, since 2×27407319032 = 15023222728244002818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740731923) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 678576 + ... + 682602.

It is an arithmetic number, because the mean of its divisors is an integer number (78384880).

Almost surely, 22740731903 is an apocalyptic number.

2740731903 is a deficient number, since it is larger than the sum of its proper divisors (2275900417).

2740731903 is a wasteful number, since it uses less digits than its factorization.

2740731903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 2740731903 is about 52351.9999904493. Note that the first 5 decimals coincide. The cubic root of 2740731903 is about 1399.4439803927.

The spelling of 2740731903 in words is "two billion, seven hundred forty million, seven hundred thirty-one thousand, nine hundred three".

Divisors: 1 3 7 9 13 21 27 39 63 91 117 189 273 277 351 819 831 1939 2457 2493 3601 4027 5817 7479 10803 12081 17451 25207 28189 32409 36243 52351 52353 75621 84567 97227 108729 157053 226863 253701 366457 471159 680589 761103 1099371 1115479 1413477 3298113 3346437 7808353 9894339 10039311 14501227 23425059 30117933 43503681 70275177 101508589 130511043 210825531 304525767 391533129 913577301 2740731903