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30000505532 = 22103121759833
BaseRepresentation
bin11011111100001010…
…110110001010111100
32212102210020120211112
4123330022312022330
5442420112134112
621440530541152
72111304042464
oct337412661274
985383216745
1030000505532
11117a5559928
1259931377b8
132aa151122a
14164853aba4
15ba8bc8a22
hex6fc2b62bc

30000505532 has 24 divisors (see below), whose sum is σ = 53055047136. Its totient is φ = 14842165248.

The previous prime is 30000505529. The next prime is 30000505541. The reversal of 30000505532 is 23550500003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30000505498 and 30000505507.

It is a congruent number.

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, 471488 + ... + 531320.

It is an arithmetic number, because the mean of its divisors is an integer number (2210626964).

Almost surely, 230000505532 is an apocalyptic number.

It is an amenable number.

30000505532 is a deficient number, since it is larger than the sum of its proper divisors (23054541604).

30000505532 is a wasteful number, since it uses less digits than its factorization.

30000505532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61157 (or 61155 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The spelling of 30000505532 in words is "thirty billion, five hundred five thousand, five hundred thirty-two".

Divisors: 1 2 4 103 206 412 1217 2434 4868 59833 119666 125351 239332 250702 501404 6162799 12325598 24651196 72816761 145633522 291267044 7500126383 15000252766 30000505532