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30123333412 = 2225153299401
BaseRepresentation
bin11100000011011111…
…011001011100100100
32212202100100220000021
4130003133121130210
5443143033132122
621501035324524
72114325052324
oct340337313444
985670326007
1030123333412
1111858922277
125a082b0744
132ac0ab8353
14165a991284
15bb488c1c7
hex7037d9724

30123333412 has 12 divisors (see below), whose sum is σ = 52718105356. Its totient is φ = 15061017600.

The previous prime is 30123333403. The next prime is 30123333421. The reversal of 30123333412 is 21433332103.

It is an interprime number because it is at equal distance from previous prime (30123333403) and next prime (30123333421).

It can be written as a sum of positive squares in 2 ways, for example, as 15182182656 + 14941150756 = 123216^2 + 122234^2 .

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, 49089 + ... + 250312.

Almost surely, 230123333412 is an apocalyptic number.

It is an amenable number.

30123333412 is a deficient number, since it is larger than the sum of its proper divisors (22594771944).

30123333412 is a wasteful number, since it uses less digits than its factorization.

30123333412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324558 (or 324556 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 30123333412 its reverse (21433332103), we get a palindrome (51556665515).

The spelling of 30123333412 in words is "thirty billion, one hundred twenty-three million, three hundred thirty-three thousand, four hundred twelve".

Divisors: 1 2 4 25153 50306 100612 299401 598802 1197604 7530833353 15061666706 30123333412