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1530145353001 = 7965212970239
BaseRepresentation
bin10110010001000011110…
…001010010110100101001
312102021120110102201221011
4112101003301102310221
5200032214202244001
63130534501143521
7215356266621046
oct26210361226451
95367513381834
101530145353001
1153aa27185271
122086766baba1
13b13a49413a5
14540b91101cd
1529c08b35d51
hex16443c52d29

1530145353001 has 8 divisors (see below), whose sum is σ = 1549752422400. Its totient is φ = 1510544237280.

The previous prime is 1530145352977. The next prime is 1530145353019. The reversal of 1530145353001 is 1003535410351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1530145353001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530145353041) 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, 969961 + ... + 2000278.

It is an arithmetic number, because the mean of its divisors is an integer number (193719052800).

Almost surely, 21530145353001 is an apocalyptic number.

It is an amenable number.

1530145353001 is a deficient number, since it is larger than the sum of its proper divisors (19607069399).

1530145353001 is an equidigital number, since it uses as much as digits as its factorization.

1530145353001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976839.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 1530145353001 in words is "one trillion, five hundred thirty billion, one hundred forty-five million, three hundred fifty-three thousand, one".

Divisors: 1 79 6521 515159 2970239 234648881 19368928519 1530145353001