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70640708068143 = 3241408134690619
BaseRepresentation
bin10000000011111101010010…
…010011111010001100101111
3100021010012000101212221200100
4100003331102103322030233
533224334132231140033
6410123520541002143
720610423412245333
oct2003752223721457
9307105011787610
1070640708068143
1120565613117844
127b0a786253353
13305550c31c2a5
1413630583517c3
158277d85b3513
hex403f524fa32f

70640708068143 has 24 divisors (see below), whose sum is σ = 104527858715280. Its totient is φ = 45944040435840.

The previous prime is 70640708068123. The next prime is 70640708068243. The reversal of 70640708068143 is 34186080704607.

It is not a de Polignac number, because 70640708068143 - 213 = 70640708059951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70640708068143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70640708068123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12714688 + ... + 17405306.

It is an arithmetic number, because the mean of its divisors is an integer number (4355327446470).

Almost surely, 270640708068143 is an apocalyptic number.

70640708068143 is a deficient number, since it is larger than the sum of its proper divisors (33887150647137).

70640708068143 is a wasteful number, since it uses less digits than its factorization.

70640708068143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731479 (or 4731476 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 70640708068143 in words is "seventy trillion, six hundred forty billion, seven hundred eight million, sixty-eight thousand, one hundred forty-three".

Divisors: 1 3 9 41 123 369 40813 122439 367317 1673333 4690619 5019999 14071857 15059997 42215571 192315379 576946137 1730838411 191438233247 574314699741 1722944099223 7848967563127 23546902689381 70640708068143