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105030255120 = 2435762518009
BaseRepresentation
bin110000111010001001…
…0101000001000010000
3101001002201221210000220
41201310102220020100
53210100221130440
6120130014513040
710405514303220
oct1416422501020
9331081853026
10105030255120
11405a792823a
1218432505780
139b9aa0246b
14512515a080
152aeab6a8d0
hex18744a8210

105030255120 has 80 divisors (see below), whose sum is σ = 372107195520. Its totient is φ = 24006915072.

The previous prime is 105030255103. The next prime is 105030255191. The reversal of 105030255120 is 21552030501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1050302551202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31257325 + ... + 31260684.

It is an arithmetic number, because the mean of its divisors is an integer number (4651339944).

Almost surely, 2105030255120 is an apocalyptic number.

105030255120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105030255120 is an abundant number, since it is smaller than the sum of its proper divisors (267076940400).

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

105030255120 is a wasteful number, since it uses less digits than its factorization.

105030255120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62518032 (or 62518026 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 105030255120 its reverse (21552030501), we get a palindrome (126582285621).

The spelling of 105030255120 in words is "one hundred five billion, thirty million, two hundred fifty-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 62518009 125036018 187554027 250072036 312590045 375108054 437626063 500144072 625180090 750216108 875252126 937770135 1000288144 1250360180 1312878189 1500432216 1750504252 1875540270 2188130315 2500720360 2625756378 3000864432 3501008504 3751080540 4376260630 5001440720 5251512756 6564390945 7002017008 7502161080 8752521260 10503025512 13128781890 15004322160 17505042520 21006051024 26257563780 35010085040 52515127560 105030255120