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2730521365 = 5111310137811
BaseRepresentation
bin1010001011000000…
…0111001100010101
321001021221212010221
42202300013030111
521043003140430
61130540314341
7124444022455
oct24260071425
97037855127
102730521365
111181343130
126425429b1
13346911b20
141bc8d9d65
1510eab357a
hexa2c07315

2730521365 has 32 divisors (see below), whose sum is σ = 3887678592. Its totient is φ = 1814880000.

The previous prime is 2730521359. The next prime is 2730521377. The reversal of 2730521365 is 5631250372.

It is not a de Polignac number, because 2730521365 - 215 = 2730488597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730521365.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53310 + ... + 91120.

It is an arithmetic number, because the mean of its divisors is an integer number (121489956).

Almost surely, 22730521365 is an apocalyptic number.

It is an amenable number.

2730521365 is a deficient number, since it is larger than the sum of its proper divisors (1157157227).

2730521365 is a wasteful number, since it uses less digits than its factorization.

2730521365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37941.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 2730521365 is about 52254.3908681366. The cubic root of 2730521365 is about 1397.7039515959.

The spelling of 2730521365 in words is "two billion, seven hundred thirty million, five hundred twenty-one thousand, three hundred sixty-five".

Divisors: 1 5 11 13 55 65 101 143 505 715 1111 1313 5555 6565 14443 37811 72215 189055 415921 491543 2079605 2457715 3818911 5406973 19094555 27034865 42008021 49645843 210040105 248229215 546104273 2730521365