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30312503044 = 2241918086219
BaseRepresentation
bin11100001110110001…
…000001011100000100
32220020112022200221221
4130032301001130010
5444040000044134
621531514050124
72122113011305
oct341661013404
986215280857
1030312503044
111194568820a
125a5b719944
132b2104cb45
141677b547ac
15bc62a75b4
hex70ec41704

30312503044 has 12 divisors (see below), whose sum is σ = 53173486800. Its totient is φ = 15120078248.

The previous prime is 30312503027. The next prime is 30312503057. The reversal of 30312503044 is 44030521303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9041434 + ... + 9044785.

It is an arithmetic number, because the mean of its divisors is an integer number (4431123900).

Almost surely, 230312503044 is an apocalyptic number.

It is an amenable number.

30312503044 is a deficient number, since it is larger than the sum of its proper divisors (22860983756).

30312503044 is a wasteful number, since it uses less digits than its factorization.

30312503044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18086642 (or 18086640 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The spelling of 30312503044 in words is "thirty billion, three hundred twelve million, five hundred three thousand, forty-four".

Divisors: 1 2 4 419 838 1676 18086219 36172438 72344876 7578125761 15156251522 30312503044