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103420323144 = 23321436393377
BaseRepresentation
bin110000001010001010…
…1001110010101001000
3100212221112120202112200
41200110111032111020
53143301100320034
6115302144240200
710320565146045
oct1402425162510
9325845522480
10103420323144
113a951092546
1218063310060
1399a22ccaa8
1450113dc1cc
152a54658a99
hex181454e548

103420323144 has 24 divisors (see below), whose sum is σ = 280096708710. Its totient is φ = 34473441024.

The previous prime is 103420323109. The next prime is 103420323173. The reversal of 103420323144 is 441323024301.

103420323144 is a `hidden beast` number, since 1 + 0 + 3 + 420 + 3 + 231 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 93287484900 + 10132838244 = 305430^2 + 100662^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 718196617 + ... + 718196760.

Almost surely, 2103420323144 is an apocalyptic number.

It is an amenable number.

103420323144 is an abundant number, since it is smaller than the sum of its proper divisors (176676385566).

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

103420323144 is a wasteful number, since it uses less digits than its factorization.

103420323144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436393389 (or 1436393382 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 103420323144 its reverse (441323024301), we get a palindrome (544743347445).

The spelling of 103420323144 in words is "one hundred three billion, four hundred twenty million, three hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1436393377 2872786754 4309180131 5745573508 8618360262 11491147016 12927540393 17236720524 25855080786 34473441048 51710161572 103420323144