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30523023016 = 2337412515081
BaseRepresentation
bin11100011011010100…
…000101111010101000
32220210012110020001221
4130123110011322220
51000002343214031
622004434151424
72130250262203
oct343324057250
986705406057
1030523023016
1111a434a5a62
125aba122574
132b5584b585
141697ab493a
15bd99dda11
hex71b505ea8

30523023016 has 32 divisors (see below), whose sum is σ = 60211063080. Its totient is φ = 14486860800.

The previous prime is 30523022993. The next prime is 30523023029. The reversal of 30523023016 is 61032032503.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19446302500 + 11076720516 = 139450^2 + 105246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245405 + ... + 1269676.

Almost surely, 230523023016 is an apocalyptic number.

It is an amenable number.

30523023016 is a deficient number, since it is larger than the sum of its proper divisors (29688040064).

30523023016 is a wasteful number, since it uses less digits than its factorization.

30523023016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515165 (or 2515161 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 30523023016 its reverse (61032032503), we get a palindrome (91555055519).

The spelling of 30523023016 in words is "thirty billion, five hundred twenty-three million, twenty-three thousand, sixteen".

Divisors: 1 2 4 8 37 41 74 82 148 164 296 328 1517 3034 6068 12136 2515081 5030162 10060324 20120648 93057997 103118321 186115994 206236642 372231988 412473284 744463976 824946568 3815377877 7630755754 15261511508 30523023016