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30375040312 = 2310336862913
BaseRepresentation
bin11100010010011111…
…100101010100111000
32220101212222220222001
4130102133211110320
5444202002242222
621542030310344
72123502403561
oct342237452470
986355886861
1030375040312
1111977a11401
125a786583b4
132b30ca7946
141682193168
15bcba0be27
hex7127e5538

30375040312 has 16 divisors (see below), whose sum is σ = 57506145840. Its totient is φ = 15040068096.

The previous prime is 30375040301. The next prime is 30375040379. The reversal of 30375040312 is 21304057303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18430633 + ... + 18432280.

It is an arithmetic number, because the mean of its divisors is an integer number (3594134115).

Almost surely, 230375040312 is an apocalyptic number.

It is an amenable number.

30375040312 is a deficient number, since it is larger than the sum of its proper divisors (27131105528).

30375040312 is a wasteful number, since it uses less digits than its factorization.

30375040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36863022 (or 36863018 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 30375040312 its reverse (21304057303), we get a palindrome (51679097615).

The spelling of 30375040312 in words is "thirty billion, three hundred seventy-five million, forty thousand, three hundred twelve".

Divisors: 1 2 4 8 103 206 412 824 36862913 73725826 147451652 294903304 3796880039 7593760078 15187520156 30375040312