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105716899 = 180158699
BaseRepresentation
bin1100100110100…
…01110010100011
321100220222022201
412103101302203
5204030420044
614253514031
72422402351
oct623216243
9240828281
10105716899
1154746742
122b4a2917
1318b959a2
141007c7d1
1594337d4
hex64d1ca3

105716899 has 4 divisors (see below), whose sum is σ = 105777400. Its totient is φ = 105656400.

The previous prime is 105716887. The next prime is 105716903. The reversal of 105716899 is 998617501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105716899 is a prime.

It is a super-2 number, since 2×1057168992 = 22352125468352402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105716879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27549 + ... + 31150.

It is an arithmetic number, because the mean of its divisors is an integer number (26444350).

Almost surely, 2105716899 is an apocalyptic number.

105716899 is a deficient number, since it is larger than the sum of its proper divisors (60501).

105716899 is an equidigital number, since it uses as much as digits as its factorization.

105716899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60500.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 105716899 is about 10281.8723489450. The cubic root of 105716899 is about 472.8406494344.

It can be divided in two parts, 1057 and 16899, that added together give a square (17956 = 1342).

The spelling of 105716899 in words is "one hundred five million, seven hundred sixteen thousand, eight hundred ninety-nine".

Divisors: 1 1801 58699 105716899