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247294690530 = 2358243156351
BaseRepresentation
bin1110011001001111101…
…0011000010011100010
3212122022101120220012020
43212103322120103202
513022424420044110
6305334451242310
723603123121066
oct3462372302342
9778271526166
10247294690530
11959714511a8
123bb165a9396
131a420766864
14bd7d3d9aa6
156675585d70
hex3993e984e2

247294690530 has 16 divisors (see below), whose sum is σ = 593507257344. Its totient is φ = 65945250800.

The previous prime is 247294690507. The next prime is 247294690537. The reversal of 247294690530 is 35096492742.

247294690530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2472946905302 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247294690537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4121578146 + ... + 4121578205.

It is an arithmetic number, because the mean of its divisors is an integer number (37094203584).

Almost surely, 2247294690530 is an apocalyptic number.

247294690530 is an abundant number, since it is smaller than the sum of its proper divisors (346212566814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247294690530 is a wasteful number, since it uses less digits than its factorization.

247294690530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243156361.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 247294690530 in words is "two hundred forty-seven billion, two hundred ninety-four million, six hundred ninety thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8243156351 16486312702 24729469053 41215781755 49458938106 82431563510 123647345265 247294690530