Search a number
-
+
30253514515 = 574320102003
BaseRepresentation
bin11100001011001111…
…111111111100010011
32220002102022202220121
4130023033333330103
5443424344431030
621522005451111
72120465426140
oct341317777423
986072282817
1030253514515
1111915358264
125a43a10a97
132b11a683a3
14166dd9b3c7
15bc100447a
hex70b3fff13

30253514515 has 16 divisors (see below), whose sum is σ = 42455432448. Its totient is φ = 20262818016.

The previous prime is 30253514497. The next prime is 30253514549. The reversal of 30253514515 is 51541535203.

It is not a de Polignac number, because 30253514515 - 217 = 30253383443 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10049497 + ... + 10052506.

It is an arithmetic number, because the mean of its divisors is an integer number (2653464528).

Almost surely, 230253514515 is an apocalyptic number.

30253514515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30253514515 is a deficient number, since it is larger than the sum of its proper divisors (12201917933).

30253514515 is a wasteful number, since it uses less digits than its factorization.

30253514515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102058.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 30253514515 in words is "thirty billion, two hundred fifty-three million, five hundred fourteen thousand, five hundred fifteen".

Divisors: 1 5 7 35 43 215 301 1505 20102003 100510015 140714021 703570105 864386129 4321930645 6050702903 30253514515