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245212790494 = 2717515199321
BaseRepresentation
bin1110010001011111010…
…0100011111011011110
3212102221022010102020111
43210113310203323132
513004143433243434
6304352121040234
723500413220510
oct3442764437336
9772838112214
10245212790494
1194aa3255961
123b63532607a
131a17b345349
14bc22b01bb0
1565a28e6964
hex3917d23ede

245212790494 has 8 divisors (see below), whose sum is σ = 420364783728. Its totient is φ = 105091195920.

The previous prime is 245212790491. The next prime is 245212790497. The reversal of 245212790494 is 494097212542.

It is an interprime number because it is at equal distance from previous prime (245212790491) and next prime (245212790497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245212790491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8757599647 + ... + 8757599674.

It is an arithmetic number, because the mean of its divisors is an integer number (52545597966).

Almost surely, 2245212790494 is an apocalyptic number.

245212790494 is a deficient number, since it is larger than the sum of its proper divisors (175151993234).

245212790494 is a wasteful number, since it uses less digits than its factorization.

245212790494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515199330.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 245212790494 in words is "two hundred forty-five billion, two hundred twelve million, seven hundred ninety thousand, four hundred ninety-four".

Divisors: 1 2 7 14 17515199321 35030398642 122606395247 245212790494