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30084687485 = 543593923561
BaseRepresentation
bin11100000001001011…
…111110011001111101
32212122122122110202122
4130001023332121331
5443103134444420
621453135132325
72113345424066
oct340113763175
985578573678
1030084687485
1111839026a96
1259b73740a5
132ab5aa6c38
1416557b156d
15bb12a6725
hex7012fe67d

30084687485 has 16 divisors (see below), whose sum is σ = 36948985920. Its totient is φ = 23503079040.

The previous prime is 30084687473. The next prime is 30084687499. The reversal of 30084687485 is 58478648003.

It is a de Polignac number, because none of the positive numbers 2k-30084687485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265105 + ... + 1288665.

It is an arithmetic number, because the mean of its divisors is an integer number (2309311620).

Almost surely, 230084687485 is an apocalyptic number.

It is an amenable number.

30084687485 is a deficient number, since it is larger than the sum of its proper divisors (6864298435).

30084687485 is a wasteful number, since it uses less digits than its factorization.

30084687485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29548.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 30084687485 in words is "thirty billion, eighty-four million, six hundred eighty-seven thousand, four hundred eighty-five".

Divisors: 1 5 43 215 5939 23561 29695 117805 255377 1013123 1276885 5065615 139928779 699643895 6016937497 30084687485