Search a number
-
+
108408728901 = 31117231366683
BaseRepresentation
bin110010011110110101…
…0011110110101000101
3101100211012011000210110
41210331222132311011
53234010113311101
6121445143143233
710555316664054
oct1447552366505
9340735130713
10108408728901
1141a809a0630
1219015a44b19
13a2b892c285
145365b2239b
152c4756ecd6
hex193da9ed45

108408728901 has 48 divisors (see below), whose sum is σ = 172910573568. Its totient is φ = 59842502400.

The previous prime is 108408728881. The next prime is 108408728941. The reversal of 108408728901 is 109827804801.

It is not a de Polignac number, because 108408728901 - 222 = 108404534597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108408728941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112306 + ... + 478988.

It is an arithmetic number, because the mean of its divisors is an integer number (3602303616).

Almost surely, 2108408728901 is an apocalyptic number.

108408728901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108408728901 is a deficient number, since it is larger than the sum of its proper divisors (64501844667).

108408728901 is a wasteful number, since it uses less digits than its factorization.

108408728901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366762 (or 366745 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 108408728901 in words is "one hundred eight billion, four hundred eight million, seven hundred twenty-eight thousand, nine hundred one".

Divisors: 1 3 11 17 31 33 51 93 187 289 341 527 561 867 1023 1581 3179 5797 8959 9537 17391 26877 98549 295647 366683 1100049 4033513 6233611 11367173 12100539 18700833 34101519 68569721 105971387 125038903 193241941 205709163 317914161 375116709 579725823 1165685257 2125661351 3285112997 3497055771 6376984053 9855338991 36136242967 108408728901