Search a number
-
+
2148178168326 = 233115317543661
BaseRepresentation
bin11111010000101001011…
…001011000101000000110
321121100211020012201121110
4133100221121120220012
5240143432102341301
64322505345225450
7311125600103511
oct37205131305006
97540736181543
102148178168326
11759045633923
122a83b8632286
1312775954b708
1475d882c3d78
153ad2bb900d6
hex1f429658a06

2148178168326 has 32 divisors (see below), whose sum is σ = 4437845830656. Its totient is φ = 692507988000.

The previous prime is 2148178168313. The next prime is 2148178168361. The reversal of 2148178168326 is 6238618718412.

It is a super-2 number, since 2×21481781683262 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487065 + ... + 4056596.

It is an arithmetic number, because the mean of its divisors is an integer number (138682682208).

Almost surely, 22148178168326 is an apocalyptic number.

2148178168326 is an abundant number, since it is smaller than the sum of its proper divisors (2289667662330).

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

2148178168326 is a wasteful number, since it uses less digits than its factorization.

2148178168326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545228.

The product of its digits is 6193152, while the sum is 57.

The spelling of 2148178168326 in words is "two trillion, one hundred forty-eight billion, one hundred seventy-eight million, one hundred sixty-eight thousand, three hundred twenty-six".

Divisors: 1 2 3 6 31 62 93 186 1531 3062 4593 9186 47461 94922 142383 284766 7543661 15087322 22630983 45261966 233853491 467706982 701560473 1403120946 11549344991 23098689982 34648034973 69296069946 358029694721 716059389442 1074089084163 2148178168326