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30539323648 = 28131910643
BaseRepresentation
bin11100011100010010…
…010001100100000000
32220211100010101100001
4130130102101210000
51000021031324043
622010215405344
72130535653001
oct343422214400
986740111301
1030539323648
1111a51719959
125b03683854
132b59037c12
141699d191a8
15bdb15d74d
hex71c491900

30539323648 has 36 divisors (see below), whose sum is σ = 61424759088. Its totient is φ = 15153082880.

The previous prime is 30539323631. The next prime is 30539323691. The reversal of 30539323648 is 84632393503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30539323598 and 30539323607.

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, 421786 + ... + 488857.

It is an arithmetic number, because the mean of its divisors is an integer number (1706243308).

Almost surely, 230539323648 is an apocalyptic number.

It is an amenable number.

30539323648 is an abundant number, since it is smaller than the sum of its proper divisors (30885435440).

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

30539323648 is an equidigital number, since it uses as much as digits as its factorization.

30539323648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910790 (or 910776 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 30539323648 in words is "thirty billion, five hundred thirty-nine million, three hundred twenty-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 131 256 262 524 1048 2096 4192 8384 16768 33536 910643 1821286 3642572 7285144 14570288 29140576 58281152 116562304 119294233 233124608 238588466 477176932 954353864 1908707728 3817415456 7634830912 15269661824 30539323648