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30234920512 = 261789312241
BaseRepresentation
bin11100001010001001…
…000100011001000000
32220001010100002201211
4130022021010121000
5443410114424022
621520103135504
72120151404206
oct341211043100
986033302654
1030234920512
1111905908315
125a39744594
132b0ac57c14
14166b71b076
15bbe57ee77
hex70a244640

30234920512 has 56 divisors (see below), whose sum is σ = 64240669080. Its totient is φ = 14068285440.

The previous prime is 30234920491. The next prime is 30234920561. The reversal of 30234920512 is 21502943203.

It can be written as a sum of positive squares in 4 ways, for example, as 5467715136 + 24767205376 = 73944^2 + 157376^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59289 + ... + 252952.

It is an arithmetic number, because the mean of its divisors is an integer number (1147154805).

Almost surely, 230234920512 is an apocalyptic number.

30234920512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30234920512 is an abundant number, since it is smaller than the sum of its proper divisors (34005748568).

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

30234920512 is a wasteful number, since it uses less digits than its factorization.

30234920512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312359 (or 312349 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 30234920512 in words is "thirty billion, two hundred thirty-four million, nine hundred twenty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 89 136 178 272 356 544 712 1088 1424 1513 2848 3026 5696 6052 12104 24208 48416 96832 312241 624482 1248964 2497928 4995856 5308097 9991712 10616194 19983424 21232388 27789449 42464776 55578898 84929552 111157796 169859104 222315592 339718208 444631184 472420633 889262368 944841266 1778524736 1889682532 3779365064 7558730128 15117460256 30234920512