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30740985712 = 2413879138433
BaseRepresentation
bin11100101000010011…
…100011011101110000
32221100101120212200101
4130220103203131300
51000424143020322
622042222002144
72135535032023
oct345023433560
987311525611
1030740985712
1112045537618
125b5b116354
132b8ba54898
1416b8a111ba
15bedbe5327
hex7284e3770

30740985712 has 20 divisors (see below), whose sum is σ = 59565381520. Its totient is φ = 15369274368.

The previous prime is 30740985701. The next prime is 30740985721. The reversal of 30740985712 is 21758904703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152848 + ... + 291280.

It is an arithmetic number, because the mean of its divisors is an integer number (2978269076).

Almost surely, 230740985712 is an apocalyptic number.

It is an amenable number.

30740985712 is a deficient number, since it is larger than the sum of its proper divisors (28824395808).

30740985712 is a wasteful number, since it uses less digits than its factorization.

30740985712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152320 (or 152314 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 30740985712 in words is "thirty billion, seven hundred forty million, nine hundred eighty-five thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 13879 27758 55516 111032 138433 222064 276866 553732 1107464 2214928 1921311607 3842623214 7685246428 15370492856 30740985712