Search a number
-
+
145986250853639 = 729283320942717
BaseRepresentation
bin100001001100011000010010…
…100111111100110100000111
3201010220011000211100002102102
4201030120102213330310013
5123113314320204304024
61234253054030102315
742515105250010400
oct4114302247746407
9633804024302372
10145986250853639
114257446a831519
121445914404a99b
13635c5a1412721
142809ab50629a7
1511d26863931ae
hex84c6129fcd07

145986250853639 has 12 divisors (see below), whose sum is σ = 169839035052984. Its totient is φ = 125117592176304.

The previous prime is 145986250853629. The next prime is 145986250853687. The reversal of 145986250853639 is 936358052689541.

It is a de Polignac number, because none of the positive numbers 2k-145986250853639 is a prime.

It is a super-3 number, since 3×1459862508536393 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145986250853629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160016492 + ... + 160926225.

It is an arithmetic number, because the mean of its divisors is an integer number (14153252921082).

Almost surely, 2145986250853639 is an apocalyptic number.

145986250853639 is a deficient number, since it is larger than the sum of its proper divisors (23852784199345).

145986250853639 is an equidigital number, since it uses as much as digits as its factorization.

145986250853639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320952014 (or 320952007 counting only the distinct ones).

The product of its (nonzero) digits is 1679616000, while the sum is 74.

The spelling of 145986250853639 in words is "one hundred forty-five trillion, nine hundred eighty-six billion, two hundred fifty million, eight hundred fifty-three thousand, six hundred thirty-nine".

Divisors: 1 7 49 9283 64981 454867 320942717 2246599019 15726193133 2979311241911 20855178693377 145986250853639