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2305145204245 = 51373770363067
BaseRepresentation
bin100001100010110101010…
…111000110111000010101
322011100222112101100001101
4201202311113012320111
5300231414133013440
64522545153430101
7325353434642032
oct41426527067025
98140875340041
102305145204245
118096744111a4
1231290456b331
131394b3331920
147d7d9090389
153ee6722669a
hex218b55c6e15

2305145204245 has 32 divisors (see below), whose sum is σ = 3020204420352. Its totient is φ = 1678697851392.

The previous prime is 2305145204237. The next prime is 2305145204249. The reversal of 2305145204245 is 5424025415032.

It is a cyclic number.

It is not a de Polignac number, because 2305145204245 - 23 = 2305145204237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305145204249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36519202 + ... + 36582268.

It is an arithmetic number, because the mean of its divisors is an integer number (94381388136).

Almost surely, 22305145204245 is an apocalyptic number.

It is an amenable number.

2305145204245 is a deficient number, since it is larger than the sum of its proper divisors (715059216107).

2305145204245 is a wasteful number, since it uses less digits than its factorization.

2305145204245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70861.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 2305145204245 in words is "two trillion, three hundred five billion, one hundred forty-five million, two hundred four thousand, two hundred forty-five".

Divisors: 1 5 13 65 73 365 949 4745 7703 38515 63067 100139 315335 500695 562319 819871 2811595 4099355 4603891 7310147 23019455 36550735 59850583 299252915 485805101 2429025505 6315466313 31577331565 35463772373 177318861865 461029040849 2305145204245