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30782032816 = 2453359101113
BaseRepresentation
bin11100101010110000…
…001000101110110000
32221110020211021201111
4130222300020232300
51001020200022231
622050245443104
72136543650623
oct345260105660
987406737644
1030782032816
1112066722947
125b70a10494
132b973c6c02
1416c0257dba
15c026024b1
hex72ac08bb0

30782032816 has 40 divisors (see below), whose sum is σ = 60935340960. Its totient is φ = 15058407936.

The previous prime is 30782032807. The next prime is 30782032837. The reversal of 30782032816 is 61823028703.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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, 253876 + ... + 354988.

It is an arithmetic number, because the mean of its divisors is an integer number (1523383524).

Almost surely, 230782032816 is an apocalyptic number.

It is an amenable number.

30782032816 is a deficient number, since it is larger than the sum of its proper divisors (30153308144).

30782032816 is a wasteful number, since it uses less digits than its factorization.

30782032816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101533 (or 101527 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 30782032816 in words is "thirty billion, seven hundred eighty-two million, thirty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 53 106 212 359 424 718 848 1436 2872 5744 19027 38054 76108 101113 152216 202226 304432 404452 808904 1617808 5358989 10717978 21435956 36299567 42871912 72599134 85743824 145198268 290396536 580793072 1923877051 3847754102 7695508204 15391016408 30782032816