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105087338906 = 21119251405117
BaseRepresentation
bin110000111011110110…
…0011000100110011010
3101001020201100221021012
41201313230120212122
53210204324321111
6120135414213522
710410106433234
oct1416754304632
9331221327235
10105087338906
1140627077120
12184496542a2
139ba979ac54
14512c979254
152b00b9448b
hex1877b1899a

105087338906 has 16 divisors (see below), whose sum is σ = 181011684960. Its totient is φ = 45252920880.

The previous prime is 105087338903. The next prime is 105087338959. The reversal of 105087338906 is 609833780501.

It is a happy number.

It is a super-2 number, since 2×1050873389062 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105087338903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125702141 + ... + 125702976.

It is an arithmetic number, because the mean of its divisors is an integer number (11313230310).

Almost surely, 2105087338906 is an apocalyptic number.

105087338906 is a deficient number, since it is larger than the sum of its proper divisors (75924346054).

105087338906 is a wasteful number, since it uses less digits than its factorization.

105087338906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251405149.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 105087338906 in words is "one hundred five billion, eighty-seven million, three hundred thirty-eight thousand, nine hundred six".

Divisors: 1 2 11 19 22 38 209 418 251405117 502810234 2765456287 4776697223 5530912574 9553394446 52543669453 105087338906