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8140147401340 = 2253715770064963
BaseRepresentation
bin111011001110100011010…
…0110000010001001111100
31001211012010212110001020101
41312131012212002021330
52031332010213320330
625151310533130444
71500051304163113
oct166350646021174
931735125401211
108140147401340
112659242aa4169
12ab5746a89a24
134707c6b85286
14201db16bac7a
15e1b25aa14ca
hex7674698227c

8140147401340 has 48 divisors (see below), whose sum is σ = 17668141841952. Its totient is φ = 3147878612736.

The previous prime is 8140147401289. The next prime is 8140147401349. The reversal of 8140147401340 is 431047410418.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 8140147401340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140147401349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34916302 + ... + 35148661.

It is an arithmetic number, because the mean of its divisors is an integer number (368086288374).

Almost surely, 28140147401340 is an apocalyptic number.

It is an amenable number.

8140147401340 is an abundant number, since it is smaller than the sum of its proper divisors (9527994440612).

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

8140147401340 is a wasteful number, since it uses less digits than its factorization.

8140147401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70065166 (or 70065164 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 8140147401340 in words is "eight trillion, one hundred forty billion, one hundred forty-seven million, four hundred one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 157 185 314 370 628 740 785 1570 3140 5809 11618 23236 29045 58090 116180 70064963 140129926 280259852 350324815 700649630 1401299260 2592403631 5184807262 10369614524 11000199191 12962018155 22000398382 25924036310 44000796764 51848072620 55000995955 110001991910 220003983820 407007370067 814014740134 1628029480268 2035036850335 4070073700670 8140147401340