Search a number
-
+
30120900336 = 243219101109001
BaseRepresentation
bin11100000011010110…
…000111011011110000
32212202011210021110100
4130003112013123300
5443141422302321
621500511232400
72114265266652
oct340326073360
985664707410
1030120900336
111185751026a
125a07518700
132ac0445a67
14165a51a6d2
15bb455b326
hex7035876f0

30120900336 has 120 divisors (see below), whose sum is σ = 89612724240. Its totient is φ = 9417600000.

The previous prime is 30120900331. The next prime is 30120900361. The reversal of 30120900336 is 63300902103.

30120900336 is a `hidden beast` number, since 301 + 20 + 9 + 0 + 0 + 336 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120900331) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 221836 + ... + 330836.

It is an arithmetic number, because the mean of its divisors is an integer number (746772702).

Almost surely, 230120900336 is an apocalyptic number.

30120900336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30120900336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44806362120).

30120900336 is an abundant number, since it is smaller than the sum of its proper divisors (59491823904).

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

30120900336 is a wasteful number, since it uses less digits than its factorization.

30120900336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109135 (or 109126 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 30120900336 in words is "thirty billion, one hundred twenty million, nine hundred thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 101 114 144 152 171 202 228 303 304 342 404 456 606 684 808 909 912 1212 1368 1616 1818 1919 2424 2736 3636 3838 4848 5757 7272 7676 11514 14544 15352 17271 23028 30704 34542 46056 69084 92112 109001 138168 218002 276336 327003 436004 654006 872008 981009 1308012 1744016 1962018 2071019 2616024 3924036 4142038 5232048 6213057 7848072 8284076 11009101 12426114 15696144 16568152 18639171 22018202 24852228 33027303 33136304 37278342 44036404 49704456 66054606 74556684 88072808 99081909 99408912 132109212 149113368 176145616 198163818 209172919 264218424 298226736 396327636 418345838 528436848 627518757 792655272 836691676 1255037514 1585310544 1673383352 1882556271 2510075028 3346766704 3765112542 5020150056 7530225084 10040300112 15060450168 30120900336