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107421356805 = 3571723593767
BaseRepresentation
bin110010000001011001…
…1111101001100000101
3101021021101020022220120
41210002303331030011
53224444331404210
6121203152252153
710522000316160
oct1440263751405
9337241208816
10107421356805
1141614612334
121899b241059
13a18c1c3b29
1452b0940ad7
152bdaa35270
hex1902cfd305

107421356805 has 32 divisors (see below), whose sum is σ = 196541958144. Its totient is φ = 49078322496.

The previous prime is 107421356771. The next prime is 107421356857. The reversal of 107421356805 is 508653124701.

It is a happy number.

It is not a de Polignac number, because 107421356805 - 216 = 107421291269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115969 + ... + 477798.

It is an arithmetic number, because the mean of its divisors is an integer number (6141936192).

Almost surely, 2107421356805 is an apocalyptic number.

107421356805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

107421356805 is a deficient number, since it is larger than the sum of its proper divisors (89120601339).

107421356805 is a wasteful number, since it uses less digits than its factorization.

107421356805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595505.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 107421356805 in words is "one hundred seven billion, four hundred twenty-one million, three hundred fifty-six thousand, eight hundred five".

Divisors: 1 3 5 7 15 21 35 105 1723 5169 8615 12061 25845 36183 60305 180915 593767 1781301 2968835 4156369 8906505 12469107 20781845 62345535 1023060541 3069181623 5115302705 7161423787 15345908115 21484271361 35807118935 107421356805