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108438979461 = 3135449266863
BaseRepresentation
bin110010011111101110…
…1111000001110000101
3101100220022001220202120
41210333131320032011
53234040334320321
6121452143400153
710556135055111
oct1447735701605
9340808056676
10108438979461
1141a96a8229a
1219023bb3059
13a2c1c91307
145369b58741
152c4a047ec6
hex193f778385

108438979461 has 8 divisors (see below), whose sum is σ = 144586915200. Its totient is φ = 72291848352.

The previous prime is 108438979367. The next prime is 108438979501. The reversal of 108438979461 is 164979834801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108438979461 - 222 = 108434785157 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 108438979395 and 108438979404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108438971461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272916 + ... + 539778.

It is an arithmetic number, because the mean of its divisors is an integer number (18073364400).

Almost surely, 2108438979461 is an apocalyptic number.

It is an amenable number.

108438979461 is a deficient number, since it is larger than the sum of its proper divisors (36147935739).

108438979461 is a wasteful number, since it uses less digits than its factorization.

108438979461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402315.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 108438979461 in words is "one hundred eight billion, four hundred thirty-eight million, nine hundred seventy-nine thousand, four hundred sixty-one".

Divisors: 1 3 135449 266863 406347 800589 36146326487 108438979461