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30141515017 = 376113354681
BaseRepresentation
bin11100000100100100…
…110000010100001001
32212210121120121111001
4130010210300110021
5443212211440032
621502525135001
72114635436035
oct340444602411
985717517431
1030141515017
1111868110399
125a123ba461
132ac47b2bb3
14165d1651c5
15bb627e3e7
hex704930509

30141515017 has 8 divisors (see below), whose sum is σ = 31463630792. Its totient is φ = 28846108800.

The previous prime is 30141514999. The next prime is 30141515021. The reversal of 30141515017 is 71051514103.

It can be written as a sum of positive squares in 4 ways, for example, as 14622976 + 30126892041 = 3824^2 + 173571^2 .

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 30141515017 - 231 = 27994031369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30141515087) 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, 6675084 + ... + 6679597.

It is an arithmetic number, because the mean of its divisors is an integer number (3932953849).

Almost surely, 230141515017 is an apocalyptic number.

30141515017 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30141515017 is a deficient number, since it is larger than the sum of its proper divisors (1322115775).

30141515017 is a wasteful number, since it uses less digits than its factorization.

30141515017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13354779.

The product of its (nonzero) digits is 2100, while the sum is 28.

The spelling of 30141515017 in words is "thirty billion, one hundred forty-one million, five hundred fifteen thousand, seventeen".

Divisors: 1 37 61 2257 13354681 494123197 814635541 30141515017