Search a number
-
+
2020660530442 = 279811145310853
BaseRepresentation
bin11101011001111000110…
…000001100110100001010
321011011200022021112122021
4131121320300030310022
5231101303043433232
64144140103515054
7265662565054501
oct35317060146412
97134608245567
102020660530442
11709a59211134
1228774b158a8a
13118716a3c108
146db2c797838
1537866c21397
hex1d678c0cd0a

2020660530442 has 32 divisors (see below), whose sum is σ = 3075540814080. Its totient is φ = 995533830720.

The previous prime is 2020660530391. The next prime is 2020660530547. The reversal of 2020660530442 is 2440350660202.

It is a super-2 number, since 2×20206605304422 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020660530398 and 2020660530407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186179088 + ... + 186189940.

It is an arithmetic number, because the mean of its divisors is an integer number (96110650440).

Almost surely, 22020660530442 is an apocalyptic number.

2020660530442 is a deficient number, since it is larger than the sum of its proper divisors (1054880283638).

2020660530442 is a wasteful number, since it uses less digits than its factorization.

2020660530442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 2020660530442 in words is "two trillion, twenty billion, six hundred sixty million, five hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 79 158 811 1453 1622 2906 10853 21706 64069 114787 128138 229574 857387 1178383 1714774 2356766 8801783 15769409 17603566 31538818 93092257 186184514 695340857 1245783311 1390681714 2491566622 12788990699 25577981398 1010330265221 2020660530442