Search a number
-
+
30045623125 = 5476867571
BaseRepresentation
bin11011111110110110…
…111101001101010101
32212112221010210112111
4123332312331031111
5443013134420000
621445221551021
72112362403610
oct337666751525
985487123474
1030045623125
1111818a753a1
1259a6275471
132aaa97a22b
141650523177
15bacb3bcba
hex6fedbd355

30045623125 has 20 divisors (see below), whose sum is σ = 42908589856. Its totient is φ = 20602710000.

The previous prime is 30045623107. The next prime is 30045623131. The reversal of 30045623125 is 52132654003.

It is a happy number.

It is not a de Polignac number, because 30045623125 - 25 = 30045623093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3429411 + ... + 3438160.

Almost surely, 230045623125 is an apocalyptic number.

30045623125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30045623125 is a deficient number, since it is larger than the sum of its proper divisors (12862966731).

30045623125 is an frugal number, since it uses more digits than its factorization.

30045623125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867598 (or 6867583 counting only the distinct ones).

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

The spelling of 30045623125 in words is "thirty billion, forty-five million, six hundred twenty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 625 875 4375 6867571 34337855 48072997 171689275 240364985 858446375 1201824925 4292231875 6009124625 30045623125