Search a number
-
+
30715461424 = 245371950377
BaseRepresentation
bin11100100110110010…
…001011111100110000
32221021121120002221101
4130212302023330300
51000401124231144
622035510534144
72135105054134
oct344662137460
987247502841
1030715461424
111203209386a
125b52667354
132b86688b5b
1416b54893c4
15beb8526d4
hex726c8bf30

30715461424 has 40 divisors (see below), whose sum is σ = 60719595840. Its totient is φ = 15046706688.

The previous prime is 30715461421. The next prime is 30715461431. The reversal of 30715461424 is 42416451703.

It is not an unprimeable number, because it can be changed into a prime (30715461421) 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, 584524 + ... + 634900.

It is an arithmetic number, because the mean of its divisors is an integer number (1517989896).

Almost surely, 230715461424 is an apocalyptic number.

It is an amenable number.

30715461424 is a deficient number, since it is larger than the sum of its proper divisors (30004134416).

30715461424 is a wasteful number, since it uses less digits than its factorization.

30715461424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51157 (or 51151 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 30715461424 in words is "thirty billion, seven hundred fifteen million, four hundred sixty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 53 106 212 424 719 848 1438 2876 5752 11504 38107 50377 76214 100754 152428 201508 304856 403016 609712 806032 2669981 5339962 10679924 21359848 36221063 42719696 72442126 144884252 289768504 579537008 1919716339 3839432678 7678865356 15357730712 30715461424