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30121200130 = 257337237343
BaseRepresentation
bin11100000011010111…
…010000101000000010
32212202012100111200211
4130003113100220002
5443142011401010
621500521504334
72114300656000
oct340327205002
985665314624
1030121200130
11118576a552a
125a076420aa
132ac051c358
14165a597a70
15bb45ba08a
hex7035d0a02

30121200130 has 64 divisors (see below), whose sum is σ = 64937318400. Its totient is φ = 10048110912.

The previous prime is 30121200079. The next prime is 30121200149. The reversal of 30121200130 is 3100212103.

It is a self number, because there is not a number n which added to its sum of digits gives 30121200130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8239 + ... + 245581.

It is an arithmetic number, because the mean of its divisors is an integer number (1014645600).

Almost surely, 230121200130 is an apocalyptic number.

30121200130 is an abundant number, since it is smaller than the sum of its proper divisors (34816118270).

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

30121200130 is a wasteful number, since it uses less digits than its factorization.

30121200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237408 (or 237394 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30121200130 its reverse (3100212103), we get a palindrome (33221412233).

The spelling of 30121200130 in words is "thirty billion, one hundred twenty-one million, two hundred thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 37 49 70 74 98 185 245 259 343 370 490 518 686 1295 1715 1813 2590 3430 3626 9065 12691 18130 25382 63455 126910 237343 474686 1186715 1661401 2373430 3322802 8307005 8781691 11629807 16614010 17563382 23259614 43908455 58149035 61471837 81408649 87816910 116298070 122943674 162817298 307359185 407043245 430302859 614718370 814086490 860605718 2151514295 3012120013 4303028590 6024240026 15060600065 30121200130