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6514140234 = 2371971114973
BaseRepresentation
bin1100001000100010…
…11110010001001010
3121210222111121111010
412010101132101022
5101320104441414
62554220344350
7320266164330
oct60421362112
917728447433
106514140234
112843075a78
1213196a50b6
137ca762064
1445b205b50
15281d45959
hex18445e44a

6514140234 has 64 divisors (see below), whose sum is σ = 15894005760. Its totient is φ = 1738376640.

The previous prime is 6514140233. The next prime is 6514140251. The reversal of 6514140234 is 4320414156.

It is not an unprimeable number, because it can be changed into a prime (6514140233) 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 31 ways as a sum of consecutive naturals, for example, 829 + ... + 114144.

It is an arithmetic number, because the mean of its divisors is an integer number (248343840).

Almost surely, 26514140234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6514140234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7947002880).

6514140234 is an abundant number, since it is smaller than the sum of its proper divisors (9379865526).

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

6514140234 is a wasteful number, since it uses less digits than its factorization.

6514140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115075.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6514140234 is about 80710.2238505135. The cubic root of 6514140234 is about 1867.6078952158.

The spelling of 6514140234 in words is "six billion, five hundred fourteen million, one hundred forty thousand, two hundred thirty-four".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 71 114 133 142 213 266 399 426 497 798 994 1349 1491 2698 2982 4047 8094 9443 18886 28329 56658 114973 229946 344919 689838 804811 1609622 2184487 2414433 4368974 4828866 6553461 8163083 13106922 15291409 16326166 24489249 30582818 45874227 48978498 57141581 91748454 114283162 155098577 171424743 310197154 342849486 465295731 930591462 1085690039 2171380078 3257070117 6514140234