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12442320310 = 257177747433
BaseRepresentation
bin10111001011001111…
…01011110110110110
31012010010102100202011
423211213223312312
5200440213222220
65414350034434
7620221656220
oct134547536666
935103370664
1012442320310
115305402452
1224b2aa8a1a
1312339a2b14
1486067b410
154cc4e365a
hex2e59ebdb6

12442320310 has 16 divisors (see below), whose sum is σ = 25595630496. Its totient is φ = 4265938368.

The previous prime is 12442320263. The next prime is 12442320311. The reversal of 12442320310 is 1302324421.

It is a super-2 number, since 2×124423203102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442320311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88873647 + ... + 88873786.

It is an arithmetic number, because the mean of its divisors is an integer number (1599726906).

Almost surely, 212442320310 is an apocalyptic number.

12442320310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12442320310 is an abundant number, since it is smaller than the sum of its proper divisors (13153310186).

12442320310 is a wasteful number, since it uses less digits than its factorization.

12442320310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177747447.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12442320310 its reverse (1302324421), we get a palindrome (13744644731).

The spelling of 12442320310 in words is "twelve billion, four hundred forty-two million, three hundred twenty thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 177747433 355494866 888737165 1244232031 1777474330 2488464062 6221160155 12442320310