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107312105 = 531169011
BaseRepresentation
bin1100110010101…
…11001111101001
321110221000112102
412121113033221
5204432441410
614352023145
72442065165
oct631271751
9243830472
10107312105
115563619a
122bb31ab5
1319303ab4
1410375ca5
15964b2a5
hex66573e9

107312105 has 8 divisors (see below), whose sum is σ = 129190464. Its totient is φ = 85572400.

The previous prime is 107312087. The next prime is 107312123. The reversal of 107312105 is 501213701.

It is an interprime number because it is at equal distance from previous prime (107312087) and next prime (107312123).

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

It is not a de Polignac number, because 107312105 - 210 = 107311081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32951 + ... + 36060.

It is an arithmetic number, because the mean of its divisors is an integer number (16148808).

Almost surely, 2107312105 is an apocalyptic number.

It is an amenable number.

107312105 is a deficient number, since it is larger than the sum of its proper divisors (21878359).

107312105 is an equidigital number, since it uses as much as digits as its factorization.

107312105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69327.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 107312105 is about 10359.1556123074. The cubic root of 107312105 is about 475.2070823752.

Adding to 107312105 its reverse (501213701), we get a palindrome (608525806).

The spelling of 107312105 in words is "one hundred seven million, three hundred twelve thousand, one hundred five".

Divisors: 1 5 311 1555 69011 345055 21462421 107312105