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312220030010 = 25725717355199
BaseRepresentation
bin1001000101100011100…
…00111001010000111010
31002211220011001212112012
410202301300321100322
520103411311430020
6355233142445522
731362050316110
oct4426160712072
91084804055465
10312220030010
11110459081759
1250615a338a2
13235997416b5
141117c077ab0
1581c53e37c5
hex48b1c3943a

312220030010 has 32 divisors (see below), whose sum is σ = 644780390400. Its totient is φ = 106630336512.

The previous prime is 312220029997. The next prime is 312220030019. The reversal of 312220030010 is 10030022213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (312220030019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8659610 + ... + 8695589.

It is an arithmetic number, because the mean of its divisors is an integer number (20149387200).

Almost surely, 2312220030010 is an apocalyptic number.

312220030010 is an abundant number, since it is smaller than the sum of its proper divisors (332560360390).

312220030010 is a wasteful number, since it uses less digits than its factorization.

312220030010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17355470.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 312220030010 its reverse (10030022213), we get a palindrome (322250052223).

The spelling of 312220030010 in words is "three hundred twelve billion, two hundred twenty million, thirty thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 257 514 1285 1799 2570 3598 8995 17990 17355199 34710398 86775995 121486393 173551990 242972786 607431965 1214863930 4460286143 8920572286 22301430715 31222003001 44602861430 62444006002 156110015005 312220030010