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30486718550 = 252679100513
BaseRepresentation
bin11100011001001001…
…100110100001010110
32220200200010202201002
4130121021212201112
5444414044443200
622001100103302
72126326555241
oct343111464126
986620122632
1030486718550
1111a24a59972
125aa9b34b32
132b4b179b42
141692d44258
15bd671bbd5
hex719266856

30486718550 has 24 divisors (see below), whose sum is σ = 57551650536. Its totient is φ = 12012675840.

The previous prime is 30486718547. The next prime is 30486718601. The reversal of 30486718550 is 5581768403.

It is a junction number, because it is equal to n+sod(n) for n = 30486718495 and 30486718504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4546907 + ... + 4553606.

It is an arithmetic number, because the mean of its divisors is an integer number (2397985439).

Almost surely, 230486718550 is an apocalyptic number.

30486718550 is a deficient number, since it is larger than the sum of its proper divisors (27064931986).

30486718550 is a wasteful number, since it uses less digits than its factorization.

30486718550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100592 (or 9100587 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 30486718550 in words is "thirty billion, four hundred eighty-six million, seven hundred eighteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 67 134 335 670 1675 3350 9100513 18201026 45502565 91005130 227512825 455025650 609734371 1219468742 3048671855 6097343710 15243359275 30486718550