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1305423025001 = 29121736988157
BaseRepresentation
bin10010111111110001010…
…001101001001101101001
311121210112011201122222222
4102333301101221031221
5132342001243300001
62435411505523425
7163212412426034
oct22776121511551
94553464648888
101305423025001
114636992a1137
12190bbb643575
1396140799884
144727b8c601b
1523e5508c61b
hex12ff1469369

1305423025001 has 8 divisors (see below), whose sum is σ = 1351547293320. Its totient is φ = 1259372735488.

The previous prime is 1305423024979. The next prime is 1305423025007. The reversal of 1305423025001 is 1005203245031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 449657419225 + 855765605776 = 670565^2 + 925076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1305423025001 - 26 = 1305423024937 is a prime.

It is a super-2 number, since 2×13054230250012 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1305423025007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18458786 + ... + 18529371.

It is an arithmetic number, because the mean of its divisors is an integer number (168943411665).

Almost surely, 21305423025001 is an apocalyptic number.

It is an amenable number.

1305423025001 is a deficient number, since it is larger than the sum of its proper divisors (46124268319).

1305423025001 is a wasteful number, since it uses less digits than its factorization.

1305423025001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36989403.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 1305423025001 in words is "one trillion, three hundred five billion, four hundred twenty-three million, twenty-five thousand, one".

Divisors: 1 29 1217 35293 36988157 1072656553 45014587069 1305423025001