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30004200668 = 22131374211707
BaseRepresentation
bin11011111100011000…
…111100010011011100
32212110001012022121102
4123330120330103130
5442422033410133
621441142052232
72111350332461
oct337430742334
985401168542
1030004200668
11117a7653062
12599441a078
132aa22060c0
141648c1d668
15ba91a87e8
hex6fc63c4dc

30004200668 has 24 divisors (see below), whose sum is σ = 56959138992. Its totient is φ = 13747008384.

The previous prime is 30004200659. The next prime is 30004200727. The reversal of 30004200668 is 86600240003.

It is a super-2 number, since 2×300042006682 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30004200668.

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, 2098730 + ... + 2112977.

It is an arithmetic number, because the mean of its divisors is an integer number (2373297458).

Almost surely, 230004200668 is an apocalyptic number.

It is an amenable number.

30004200668 is a deficient number, since it is larger than the sum of its proper divisors (26954938324).

30004200668 is a wasteful number, since it uses less digits than its factorization.

30004200668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211861 (or 4211859 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 30004200668 in words is "thirty billion, four million, two hundred thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 137 274 548 1781 3562 7124 4211707 8423414 16846828 54752191 109504382 219008764 577003859 1154007718 2308015436 7501050167 15002100334 30004200668