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105214065500 = 22531031204101
BaseRepresentation
bin110000111111100111…
…1110011101101011100
3101001120112211022110202
41201333033303231130
53210434300044000
6120200142323032
710413205541435
oct1417717635534
9331515738422
10105214065500
1140691662745
1218483b89478
139bc9b0b7bb
14514172648c
152b0bd77dd5
hex187f3f3b5c

105214065500 has 48 divisors (see below), whose sum is σ = 230011524288. Its totient is φ = 42044600000.

The previous prime is 105214065499. The next prime is 105214065557. The reversal of 105214065500 is 5560412501.

It is a happy number.

It is a super-2 number, since 2×1052140655002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413450 + ... + 617550.

It is an arithmetic number, because the mean of its divisors is an integer number (4791906756).

Almost surely, 2105214065500 is an apocalyptic number.

105214065500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105214065500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115005762144).

105214065500 is an abundant number, since it is smaller than the sum of its proper divisors (124797458788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105214065500 is a wasteful number, since it uses less digits than its factorization.

105214065500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205151 (or 205139 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 105214065500 in words is "one hundred five billion, two hundred fourteen million, sixty-five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 1031 2062 4124 5155 10310 20620 25775 51550 103100 128875 204101 257750 408202 515500 816404 1020505 2041010 4082020 5102525 10205050 20410100 25512625 51025250 102050500 210428131 420856262 841712524 1052140655 2104281310 4208562620 5260703275 10521406550 21042813100 26303516375 52607032750 105214065500