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30054951976 = 23719715831721
BaseRepresentation
bin11011111111011010…
…100010110000101000
32212120120200202022111
4123333122202300220
5443023031430401
621450153532104
72112534606460
oct337732426050
985516622274
1030054951976
1111823267295
1259a9414034
132aac89546a
141651870ba0
15bad880e51
hex6ff6a2c28

30054951976 has 64 divisors (see below), whose sum is σ = 64808916480. Its totient is φ = 12799772160.

The previous prime is 30054951947. The next prime is 30054951977. The reversal of 30054951976 is 67915945003.

It is not an unprimeable number, because it can be changed into a prime (30054951977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17462796 + ... + 17464516.

It is an arithmetic number, because the mean of its divisors is an integer number (1012639320).

Almost surely, 230054951976 is an apocalyptic number.

It is an amenable number.

30054951976 is an abundant number, since it is smaller than the sum of its proper divisors (34753964504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30054951976 is a wasteful number, since it uses less digits than its factorization.

30054951976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 30054951976 in words is "thirty billion, fifty-four million, nine hundred fifty-one thousand, nine hundred seventy-six".

Divisors: 1 2 4 7 8 14 28 56 197 394 788 1379 1576 1583 1721 2758 3166 3442 5516 6332 6884 11032 11081 12047 12664 13768 22162 24094 44324 48188 88648 96376 311851 339037 623702 678074 1247404 1356148 2182957 2373259 2494808 2712296 2724343 4365914 4746518 5448686 8731828 9493036 10897372 17463656 18986072 19070401 21794744 38140802 76281604 152563208 536695571 1073391142 2146782284 3756868997 4293564568 7513737994 15027475988 30054951976