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30334431320 = 2352234876983
BaseRepresentation
bin11100010000000100…
…101011000001011000
32220022001120202220022
4130100010223001120
5444111103300240
621534020050012
72122500261164
oct342004530130
986261522808
1030334431320
1111956aa5256
125a66b33908
132b25759b5b
14167aa21ca4
15bc81899b5
hex71012b058

30334431320 has 64 divisors (see below), whose sum is σ = 68709150720. Its totient is φ = 12052831104.

The previous prime is 30334431319. The next prime is 30334431331. The reversal of 30334431320 is 2313443303.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30334431320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4340549 + ... + 4347531.

It is an arithmetic number, because the mean of its divisors is an integer number (1073580480).

Almost surely, 230334431320 is an apocalyptic number.

It is an amenable number.

30334431320 is an abundant number, since it is smaller than the sum of its proper divisors (38374719400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30334431320 is a wasteful number, since it uses less digits than its factorization.

30334431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704 (or 7700 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 30334431320 its reverse (2313443303), we get a palindrome (32647874623).

The spelling of 30334431320 in words is "thirty billion, three hundred thirty-four million, four hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 223 446 487 892 974 1115 1784 1948 2230 2435 3896 4460 4870 6983 8920 9740 13966 19480 27932 34915 55864 69830 108601 139660 217202 279320 434404 543005 868808 1086010 1557209 2172020 3114418 3400721 4344040 6228836 6801442 7786045 12457672 13602884 15572090 17003605 27205768 31144180 34007210 62288360 68014420 136028840 758360783 1516721566 3033443132 3791803915 6066886264 7583607830 15167215660 30334431320