Search a number
-
+
30155445304 = 233769430663
BaseRepresentation
bin11100000101011001…
…111001010000111000
32212211120210100020121
4130011121321100320
5443224243222204
621504143503024
72115165025105
oct340531712070
985746710217
1030155445304
1111874a65426
125a16bb7a74
132ac764c67a
141660d4daac
15bb75d1b54
hex705679438

30155445304 has 8 divisors (see below), whose sum is σ = 56541459960. Its totient is φ = 15077722648.

The previous prime is 30155445301. The next prime is 30155445323. The reversal of 30155445304 is 40354455103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30155445304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30155445301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884715324 + ... + 1884715339.

It is an arithmetic number, because the mean of its divisors is an integer number (7067682495).

Almost surely, 230155445304 is an apocalyptic number.

It is an amenable number.

30155445304 is a deficient number, since it is larger than the sum of its proper divisors (26386014656).

30155445304 is a wasteful number, since it uses less digits than its factorization.

30155445304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769430669 (or 3769430665 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 30155445304 in words is "thirty billion, one hundred fifty-five million, four hundred forty-five thousand, three hundred four".

Divisors: 1 2 4 8 3769430663 7538861326 15077722652 30155445304