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30140431120 = 2451919829231
BaseRepresentation
bin11100000100100000…
…100111101100010000
32212210112112112122201
4130010200213230100
5443211422243440
621502450012544
72114623303012
oct340440475420
985715475581
1030140431120
1111867540008
125a11b77154
132ac44c3737
14165cd621b2
15bb611819a
hex704827b10

30140431120 has 40 divisors (see below), whose sum is σ = 73764743040. Its totient is φ = 11421636480.

The previous prime is 30140431103. The next prime is 30140431159. The reversal of 30140431120 is 2113404103.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9913096 + ... + 9916135.

It is an arithmetic number, because the mean of its divisors is an integer number (1844118576).

Almost surely, 230140431120 is an apocalyptic number.

It is an amenable number.

30140431120 is an abundant number, since it is smaller than the sum of its proper divisors (43624311920).

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

30140431120 is a wasteful number, since it uses less digits than its factorization.

30140431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19829263 (or 19829257 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30140431120 its reverse (2113404103), we get a palindrome (32253835223).

The spelling of 30140431120 in words is "thirty billion, one hundred forty million, four hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 19829231 39658462 79316924 99146155 158633848 198292310 317267696 376755389 396584620 753510778 793169240 1507021556 1586338480 1883776945 3014043112 3767553890 6028086224 7535107780 15070215560 30140431120