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860431134068 = 221121777750277
BaseRepresentation
bin11001000010101011011…
…00010010110101110100
310001020220220222102111022
430201111230102311310
5103044130332242233
61455135425200312
7116110166652242
oct14412554226564
93036826872438
10860431134068
113019a7a42200
1211a910790098
13631a4b2937c
142d9061a5792
15175ad808398
hexc855b12d74

860431134068 has 18 divisors (see below), whose sum is σ = 1655085508818. Its totient is φ = 391105060720.

The previous prime is 860431134053. The next prime is 860431134109.

860431134068 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 569221963024 + 291209171044 = 754468^2 + 539638^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 888874655 + ... + 888875622.

Almost surely, 2860431134068 is an apocalyptic number.

It is an amenable number.

860431134068 is a deficient number, since it is larger than the sum of its proper divisors (794654374750).

860431134068 is a wasteful number, since it uses less digits than its factorization.

860431134068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777750303 (or 1777750290 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

It can be divided in two parts, 860431 and 134068, that added together give a palindrome (994499).

The spelling of 860431134068 in words is "eight hundred sixty billion, four hundred thirty-one million, one hundred thirty-four thousand, sixty-eight".

Divisors: 1 2 4 11 22 44 121 242 484 1777750277 3555500554 7111001108 19555253047 39110506094 78221012188 215107783517 430215567034 860431134068