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45285330290 = 25223112917987
BaseRepresentation
bin101010001011001101…
…110100110101110010
311022220000100010122012
4222023031310311302
51220221021032130
632445341442522
73162132646004
oct521315646562
9138800303565
1045285330290
111822942aa02
128939b70442
134369073a35
142298504374
1512a0a00995
hexa8b374d72

45285330290 has 32 divisors (see below), whose sum is σ = 81956206080. Its totient is φ = 18015928704.

The previous prime is 45285330257. The next prime is 45285330301. The reversal of 45285330290 is 9203358254.

It is a super-2 number, since 2×452853302902 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2508677 + ... + 2526663.

It is an arithmetic number, because the mean of its divisors is an integer number (2561131440).

Almost surely, 245285330290 is an apocalyptic number.

45285330290 is a deficient number, since it is larger than the sum of its proper divisors (36670875790).

45285330290 is a wasteful number, since it uses less digits than its factorization.

45285330290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19346.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 45285330290 in words is "forty-five billion, two hundred eighty-five million, three hundred thirty thousand, two hundred ninety".

Divisors: 1 2 5 10 223 446 1115 1129 2230 2258 5645 11290 17987 35974 89935 179870 251767 503534 1258835 2517670 4011101 8022202 20055505 20307323 40111010 40614646 101536615 203073230 4528533029 9057066058 22642665145 45285330290