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30490838344 = 2337412512429
BaseRepresentation
bin11100011001011001…
…010100010101001000
32220200221220002000001
4130121121110111020
5444421123311334
622001324252344
72126406564301
oct343131242510
986627802001
1030490838344
1111a2731315a
125aab3a10b4
132b4bc900a5
1416936d77a8
15bd6c82714
hex719654548

30490838344 has 32 divisors (see below), whose sum is σ = 60147574200. Its totient is φ = 14471585280.

The previous prime is 30490838269. The next prime is 30490838369. The reversal of 30490838344 is 44383809403.

It can be written as a sum of positive squares in 4 ways, for example, as 23357008900 + 7133829444 = 152830^2 + 84462^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30490838294 and 30490838303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244079 + ... + 1268350.

Almost surely, 230490838344 is an apocalyptic number.

It is an amenable number.

30490838344 is a deficient number, since it is larger than the sum of its proper divisors (29656735856).

30490838344 is a wasteful number, since it uses less digits than its factorization.

30490838344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512513 (or 2512509 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 30490838344 in words is "thirty billion, four hundred ninety million, eight hundred thirty-eight thousand, three hundred forty-four".

Divisors: 1 2 4 8 37 41 74 82 148 164 296 328 1517 3034 6068 12136 2512429 5024858 10049716 20099432 92959873 103009589 185919746 206019178 371839492 412038356 743678984 824076712 3811354793 7622709586 15245419172 30490838344