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30630130390 = 253929779591
BaseRepresentation
bin11100100001101100…
…101011001011010110
32221001122222211202201
4130201230223023112
51000212303133030
622023221555114
72133020545456
oct344154531326
987048884681
1030630130390
1111a98a01352
125b29b75a9a
132b71ab0112
1416a7dd5d66
15be40e92ca
hex721b2b2d6

30630130390 has 16 divisors (see below), whose sum is σ = 55148338080. Its totient is φ = 12248918080.

The previous prime is 30630130379. The next prime is 30630130403. The reversal of 30630130390 is 9303103603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350506 + ... + 429085.

It is an arithmetic number, because the mean of its divisors is an integer number (3446771130).

Almost surely, 230630130390 is an apocalyptic number.

30630130390 is a deficient number, since it is larger than the sum of its proper divisors (24518207690).

30630130390 is a wasteful number, since it uses less digits than its factorization.

30630130390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783527.

The product of its (nonzero) digits is 4374, while the sum is 28.

Adding to 30630130390 its reverse (9303103603), we get a palindrome (39933233993).

The spelling of 30630130390 in words is "thirty billion, six hundred thirty million, one hundred thirty thousand, three hundred ninety".

Divisors: 1 2 5 10 3929 7858 19645 39290 779591 1559182 3897955 7795910 3063013039 6126026078 15315065195 30630130390