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123053541403 = 1325161316151
BaseRepresentation
bin111001010011010010…
…0000000100000011011
3102202121210221120211111
41302212210000200123
54004003201311103
6132310252241151
711614244562322
oct1624644004033
9382553846744
10123053541403
1148206574a61
121ba224701b7
13b7b09c6bc0
145d54ac90b9
1533030c386d
hex1ca690081b

123053541403 has 16 divisors (see below), whose sum is σ = 133090497792. Its totient is φ = 113098500000.

The previous prime is 123053541397. The next prime is 123053541419. The reversal of 123053541403 is 304145350321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123053541403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123053545403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20002378 + ... + 20008528.

It is an arithmetic number, because the mean of its divisors is an integer number (8318156112).

Almost surely, 2123053541403 is an apocalyptic number.

123053541403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123053541403 is a deficient number, since it is larger than the sum of its proper divisors (10036956389).

123053541403 is a wasteful number, since it uses less digits than its factorization.

123053541403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12546.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 123053541403 its reverse (304145350321), we get a palindrome (427198891724).

The spelling of 123053541403 in words is "one hundred twenty-three billion, fifty-three million, five hundred forty-one thousand, four hundred three".

Divisors: 1 13 251 3263 6131 6151 79703 79963 1538881 1543901 20005453 20070713 37711781 490253153 9465657031 123053541403