Search a number
-
+
30125127904 = 251211377719
BaseRepresentation
bin11100000011100110…
…001111100011100000
32212202110202001120221
4130003212033203200
5443144013043104
621501142012424
72114346235144
oct340346174340
985673661527
1030125127904
1111859938523
125a08a17114
132ac1296091
14165acdb224
15bb4ae3c54
hex70398f8e0

30125127904 has 24 divisors (see below), whose sum is σ = 59314505040. Its totient is φ = 15061126656.

The previous prime is 30125127881. The next prime is 30125127917. The reversal of 30125127904 is 40972152103.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30125127904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348757 + ... + 426475.

It is an arithmetic number, because the mean of its divisors is an integer number (2471437710).

Almost surely, 230125127904 is an apocalyptic number.

It is an amenable number.

30125127904 is a deficient number, since it is larger than the sum of its proper divisors (29189377136).

30125127904 is a wasteful number, since it uses less digits than its factorization.

30125127904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89842 (or 89834 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 30125127904 in words is "thirty billion, one hundred twenty-five million, one hundred twenty-seven thousand, nine hundred four".

Divisors: 1 2 4 8 16 32 12113 24226 48452 77719 96904 155438 193808 310876 387616 621752 1243504 2487008 941410247 1882820494 3765640988 7531281976 15062563952 30125127904