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860431134054 = 233135912885721
BaseRepresentation
bin11001000010101011011…
…00010010110101100110
310001020220220222102110210
430201111230102311212
5103044130332242204
61455135425200250
7116110166652222
oct14412554226546
93036826872423
10860431134054
113019a7a42198
1211a910790086
13631a4b2936b
142d9061a5782
15175ad808389
hexc855b12d66

860431134054 has 32 divisors (see below), whose sum is σ = 1781322209280. Its totient is φ = 276785265600.

The previous prime is 860431134053. The next prime is 860431134109. The reversal of 860431134054 is 450431134068.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860431134053) 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 15 ways as a sum of consecutive naturals, for example, 6376087 + ... + 6509634.

It is an arithmetic number, because the mean of its divisors is an integer number (55666319040).

Almost surely, 2860431134054 is an apocalyptic number.

860431134054 is an abundant number, since it is smaller than the sum of its proper divisors (920891075226).

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

860431134054 is a wasteful number, since it uses less digits than its factorization.

860431134054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886116.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 860431134054 in words is "eight hundred sixty billion, four hundred thirty-one million, one hundred thirty-four thousand, fifty-four".

Divisors: 1 2 3 6 31 62 93 186 359 718 1077 2154 11129 22258 33387 66774 12885721 25771442 38657163 77314326 399457351 798914702 1198372053 2396744106 4625973839 9251947678 13877921517 27755843034 143405189009 286810378018 430215567027 860431134054