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30005025532 = 2237223909133
BaseRepresentation
bin11011111100011100…
…000101101011111100
32212110002202020002221
4123330130011223330
5442422241304112
621441211455124
72111360336356
oct337434055374
985402666087
1030005025532
11117a8066869
1259947574a4
132aa24346a1
141648d960d6
15ba92bce07
hex6fc705afc

30005025532 has 24 divisors (see below), whose sum is σ = 54169840256. Its totient is φ = 14531565888.

The previous prime is 30005025529. The next prime is 30005025559. The reversal of 30005025532 is 23552050003.

It is a junction number, because it is equal to n+sod(n) for n = 30005025497 and 30005025506.

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, 421563 + ... + 487570.

Almost surely, 230005025532 is an apocalyptic number.

It is an amenable number.

30005025532 is a deficient number, since it is larger than the sum of its proper divisors (24164814724).

30005025532 is a wasteful number, since it uses less digits than its factorization.

30005025532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909397 (or 909395 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 30005025532 its reverse (23552050003), we get a palindrome (53557075535).

The spelling of 30005025532 in words is "thirty billion, five million, twenty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 37 74 148 223 446 892 8251 16502 33004 909133 1818266 3636532 33637921 67275842 134551684 202736659 405473318 810946636 7501256383 15002512766 30005025532