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30065420144 = 2413114344189
BaseRepresentation
bin11100000000000010…
…011110011101110000
32212121022101120221102
4130000002132131300
5443033221421034
621451210143532
72113022566064
oct340002363560
985538346842
1030065420144
1111829167171
1259b0a21ba8
132ab1abc146
141652dd7aa4
15bae74c97e
hex70009e770

30065420144 has 20 divisors (see below), whose sum is σ = 58696425480. Its totient is φ = 14917955520.

The previous prime is 30065420111. The next prime is 30065420213. The reversal of 30065420144 is 44102456003.

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, 7169999 + ... + 7174190.

It is an arithmetic number, because the mean of its divisors is an integer number (2934821274).

Almost surely, 230065420144 is an apocalyptic number.

It is an amenable number.

30065420144 is a deficient number, since it is larger than the sum of its proper divisors (28631005336).

30065420144 is a wasteful number, since it uses less digits than its factorization.

30065420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344328 (or 14344322 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 30065420144 its reverse (44102456003), we get a palindrome (74167876147).

The spelling of 30065420144 in words is "thirty billion, sixty-five million, four hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 131 262 524 1048 2096 14344189 28688378 57376756 114753512 229507024 1879088759 3758177518 7516355036 15032710072 30065420144