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70245144442270 = 25710511321722791
BaseRepresentation
bin11111111100011001110001…
…11000011011010110011110
3100012201100222220010201220101
433332030320320123112132
533201344023434123040
6405222101315411314
720540021110016560
oct1776147070332636
9305640886121811
1070245144442270
1120422886828a46
127a65b908b3b3a
13302711cb3b2c5
14134bc51455330
1581c3863db09a
hex3fe338e1b59e

70245144442270 has 64 divisors (see below), whose sum is σ = 144751483763712. Its totient is φ = 24042886560000.

The previous prime is 70245144442243. The next prime is 70245144442279. The reversal of 70245144442270 is 7224444154207.

It is a self number, because there is not a number n which added to its sum of digits gives 70245144442270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70245144442279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96824575 + ... + 97547365.

It is an arithmetic number, because the mean of its divisors is an integer number (2261741933808).

Almost surely, 270245144442270 is an apocalyptic number.

70245144442270 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70245144442270 is an abundant number, since it is smaller than the sum of its proper divisors (74506339321442).

70245144442270 is a wasteful number, since it uses less digits than its factorization.

70245144442270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725177.

The product of its (nonzero) digits is 2007040, while the sum is 46.

Adding to 70245144442270 its reverse (7224444154207), we get a palindrome (77469588596477).

The spelling of 70245144442270 in words is "seventy trillion, two hundred forty-five billion, one hundred forty-four million, four hundred forty-two thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 1051 1321 2102 2642 5255 6605 7357 9247 10510 13210 14714 18494 36785 46235 73570 92470 722791 1388371 1445582 2776742 3613955 5059537 6941855 7227910 9718597 10119074 13883710 19437194 25297685 48592985 50595370 97185970 759653341 954806911 1519306682 1909613822 3798266705 4774034555 5317573387 6683648377 7596533410 9548069110 10635146774 13367296754 26587866935 33418241885 53175733870 66836483770 1003502063461 2007004126922 5017510317305 7024514444227 10035020634610 14049028888454 35122572221135 70245144442270