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30031201120 = 255414577927
BaseRepresentation
bin11011111101111111…
…111100001101100000
32212111221000002021011
4123331333330031200
5443000441413440
621443544510304
72112125666134
oct337577741540
985457002234
1030031201120
1111810914988
1259a147b394
132aa799a9bb
14164c64b3c4
15bab73d9ea
hex6fdffc360

30031201120 has 48 divisors (see below), whose sum is σ = 72679184928. Its totient is φ = 11719490560.

The previous prime is 30031201103. The next prime is 30031201121. The reversal of 30031201120 is 2110213003.

It is a self number, because there is not a number n which added to its sum of digits gives 30031201120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031201121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282404 + ... + 2295523.

It is an arithmetic number, because the mean of its divisors is an integer number (1514149686).

Almost surely, 230031201120 is an apocalyptic number.

It is an amenable number.

30031201120 is an abundant number, since it is smaller than the sum of its proper divisors (42647983808).

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

30031201120 is a wasteful number, since it uses less digits than its factorization.

30031201120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577983 (or 4577975 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30031201120 its reverse (2110213003), we get a palindrome (32141414123).

The spelling of 30031201120 in words is "thirty billion, thirty-one million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 80 82 160 164 205 328 410 656 820 1312 1640 3280 6560 4577927 9155854 18311708 22889635 36623416 45779270 73246832 91558540 146493664 183117080 187695007 366234160 375390014 732468320 750780028 938475035 1501560056 1876950070 3003120112 3753900140 6006240224 7507800280 15015600560 30031201120