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1294401282068 = 223531427642407
BaseRepresentation
bin10010110101100000010…
…101000010000000010100
311120202002001101010001202
4102311200111002000110
5132201413212011233
62430350103412032
7162342320234516
oct22654025020024
94522061333052
101294401282068
11459a52862584
1218aa44454018
13950a51cb6ab
1446913b95bb6
1523a0c655be8
hex12d60542014

1294401282068 has 24 divisors (see below), whose sum is σ = 2273214670272. Its totient is φ = 644913953024.

The previous prime is 1294401282061. The next prime is 1294401282091. The reversal of 1294401282068 is 8602821044921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294401282061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693721 + ... + 2336127.

It is an arithmetic number, because the mean of its divisors is an integer number (94717277928).

Almost surely, 21294401282068 is an apocalyptic number.

It is an amenable number.

1294401282068 is a deficient number, since it is larger than the sum of its proper divisors (978813388204).

1294401282068 is a wasteful number, since it uses less digits than its factorization.

1294401282068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644191 (or 644189 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 1294401282068 in words is "one trillion, two hundred ninety-four billion, four hundred one million, two hundred eighty-two thousand, sixty-eight".

Divisors: 1 2 4 353 706 1412 1427 2854 5708 503731 642407 1007462 1284814 2014924 2569628 226769671 453539342 907078684 916714789 1833429578 3666859156 323600320517 647200641034 1294401282068