Search a number
-
+
1107205120 = 2105730893
BaseRepresentation
bin100000111111110…
…1001110000000000
32212011101211220001
41001333221300000
54231421030440
6301511125344
736303042160
oct10177516000
92764354801
101107205120
11518a9665a
1226a973854
13148504378
14a70965a0
156730ab9a
hex41fe9c00

1107205120 has 88 divisors (see below), whose sum is σ = 3035520864. Its totient is φ = 379600896.

The previous prime is 1107205117. The next prime is 1107205129. The reversal of 1107205120 is 215027011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107205129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20394 + ... + 51286.

Almost surely, 21107205120 is an apocalyptic number.

1107205120 is a gapful number since it is divisible by the number (10) 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 1107205120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517760432).

1107205120 is an abundant number, since it is smaller than the sum of its proper divisors (1928315744).

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

1107205120 is an equidigital number, since it uses as much as digits as its factorization.

1107205120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30925 (or 30907 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1107205120 is about 33274.6918843736. The cubic root of 1107205120 is about 1034.5290614228.

The spelling of 1107205120 in words is "one billion, one hundred seven million, two hundred five thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 896 1024 1120 1280 1792 2240 2560 3584 4480 5120 7168 8960 17920 30893 35840 61786 123572 154465 216251 247144 308930 432502 494288 617860 865004 988576 1081255 1235720 1730008 1977152 2162510 2471440 3460016 3954304 4325020 4942880 6920032 7908608 8650040 9885760 13840064 15817216 17300080 19771520 27680128 31634432 34600160 39543040 55360256 69200320 79086080 110720512 138400640 158172160 221441024 276801280 553602560 1107205120