Search a number
-
+
30835082112 = 273233491291
BaseRepresentation
bin11100101101111010…
…100000001110000000
32221120221122110200020
4130231322200032000
51001122240111422
622055422453440
72141056605402
oct345572401600
987527573606
1030835082112
111209366663a
125b86734280
132ba53ac223
1416c7306b72
15c070d095c
hex72dea0380

30835082112 has 64 divisors (see below), whose sum is σ = 85466828160. Its totient is φ = 9831472640.

The previous prime is 30835082107. The next prime is 30835082123. The reversal of 30835082112 is 21128053803.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 1736814 + ... + 1754477.

It is an arithmetic number, because the mean of its divisors is an integer number (1335419190).

Almost surely, 230835082112 is an apocalyptic number.

30835082112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30835082112 is an abundant number, since it is smaller than the sum of its proper divisors (54631746048).

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

30835082112 is a wasteful number, since it uses less digits than its factorization.

30835082112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491331 (or 3491319 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 30835082112 in words is "thirty billion, eight hundred thirty-five million, eighty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 276 368 384 552 736 1104 1472 2208 2944 4416 8832 3491291 6982582 10473873 13965164 20947746 27930328 41895492 55860656 80299693 83790984 111721312 160599386 167581968 223442624 240899079 321198772 335163936 446885248 481798158 642397544 670327872 963596316 1284795088 1340655744 1927192632 2569590176 3854385264 5139180352 7708770528 10278360704 15417541056 30835082112