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115875728080 = 2457487424889
BaseRepresentation
bin110101111101010111…
…0110100101011010000
3102002002120121220000121
41223322232310223100
53344303141244310
6125122123000024
711241336303010
oct1537256645320
9362076556017
10115875728080
1145162911632
121a55a669014
13ac08904498
1458736c3c40
153032d840da
hex1afabb4ad0

115875728080 has 80 divisors (see below), whose sum is σ = 308531324160. Its totient is φ = 39647149056.

The previous prime is 115875728053. The next prime is 115875728099. The reversal of 115875728080 is 80827578511.

It is a tau number, because it is divible by the number of its divisors (80).

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, 60276 + ... + 485164.

It is an arithmetic number, because the mean of its divisors is an integer number (3856641552).

Almost surely, 2115875728080 is an apocalyptic number.

115875728080 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 115875728080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154265662080).

115875728080 is an abundant number, since it is smaller than the sum of its proper divisors (192655596080).

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

115875728080 is a wasteful number, since it uses less digits than its factorization.

115875728080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425396 (or 425390 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 52.

The spelling of 115875728080 in words is "one hundred fifteen billion, eight hundred seventy-five million, seven hundred twenty-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 487 560 974 1948 2435 3409 3896 4870 6818 7792 9740 13636 17045 19480 27272 34090 38960 54544 68180 136360 272720 424889 849778 1699556 2124445 2974223 3399112 4248890 5948446 6798224 8497780 11896892 14871115 16995560 23793784 29742230 33991120 47587568 59484460 118968920 206920943 237937840 413841886 827683772 1034604715 1448446601 1655367544 2069209430 2896893202 3310735088 4138418860 5793786404 7242233005 8276837720 11587572808 14484466010 16553675440 23175145616 28968932020 57937864040 115875728080