Search a number
-
+
106748640288 = 253513727963
BaseRepresentation
bin110001101101010110…
…1101111110000100000
3101012112111101210100000
41203122231233300200
53222110122442123
6121012321500000
710466221320423
oct1433255576040
9335474353300
10106748640288
11412a9908474
1218831aa1600
13a0b2a18114
1452494699ba
152b9b951b43
hex18dab6fc20

106748640288 has 72 divisors (see below), whose sum is σ = 314809670448. Its totient is φ = 35582877504.

The previous prime is 106748640283. The next prime is 106748640419. The reversal of 106748640288 is 882046847601.

106748640288 is a `hidden beast` number, since 10 + 6 + 74 + 86 + 402 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1067486402882 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (106748640281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6856206 + ... + 6871757.

It is an arithmetic number, because the mean of its divisors is an integer number (4372356534).

Almost surely, 2106748640288 is an apocalyptic number.

106748640288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

106748640288 is an abundant number, since it is smaller than the sum of its proper divisors (208061030160).

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

106748640288 is an equidigital number, since it uses as much as digits as its factorization.

106748640288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727988 (or 13727968 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 106748640288 in words is "one hundred six billion, seven hundred forty-eight million, six hundred forty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 864 972 1296 1944 2592 3888 7776 13727963 27455926 41183889 54911852 82367778 109823704 123551667 164735556 219647408 247103334 329471112 370655001 439294816 494206668 658942224 741310002 988413336 1111965003 1317884448 1482620004 1976826672 2223930006 2965240008 3335895009 3953653344 4447860012 5930480016 6671790018 8895720024 11860960032 13343580036 17791440048 26687160072 35582880096 53374320144 106748640288