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30319646444 = 227579911611
BaseRepresentation
bin11100001111001100…
…010001011011101100
32220021000202121212022
4130033030101123230
5444043312141234
621532331125312
72122230512453
oct341714213354
986230677768
1030319646444
111194971714a
125a61ba3838
132b226813c9
141678a93b9a
15bc6c18e2e
hex70f3116ec

30319646444 has 6 divisors (see below), whose sum is σ = 53059381284. Its totient is φ = 15159823220.

The previous prime is 30319646443. The next prime is 30319646449. The reversal of 30319646444 is 44464691303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30319646395 and 30319646404.

It is not an unprimeable number, because it can be changed into a prime (30319646443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3789955802 + ... + 3789955809.

It is an arithmetic number, because the mean of its divisors is an integer number (8843230214).

Almost surely, 230319646444 is an apocalyptic number.

It is an amenable number.

30319646444 is a deficient number, since it is larger than the sum of its proper divisors (22739734840).

30319646444 is a wasteful number, since it uses less digits than its factorization.

30319646444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7579911615 (or 7579911613 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 30319646444 in words is "thirty billion, three hundred nineteen million, six hundred forty-six thousand, four hundred forty-four".

Divisors: 1 2 4 7579911611 15159823222 30319646444