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115755091984 = 24722924192
BaseRepresentation
bin110101111001110001…
…0101000100000010000
3102001210011121221102001
41223303202220200100
53344031300420414
6125102133203344
711235343022200
oct1536342504020
9361704557361
10115755091984
1145100805984
121a526190554
13abb9916b8c
145861680400
1530274a5074
hex1af38a8810

115755091984 has 135 divisors (see below), whose sum is σ = 270844789917. Its totient is φ = 47784342144.

The previous prime is 115755091981. The next prime is 115755091987. The reversal of 115755091984 is 489190557511.

The square root of 115755091984 is 340228.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (115755091981) and next prime (115755091987).

It can be written as a sum of positive squares in only one way, i.e., 60699162384 + 55055929600 = 246372^2 + 234640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115755091981) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 276264927 + ... + 276265345.

Almost surely, 2115755091984 is an apocalyptic number.

115755091984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

115755091984 is the 340228-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115755091984

115755091984 is an abundant number, since it is smaller than the sum of its proper divisors (155089697933).

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

115755091984 is an frugal number, since it uses more digits than its factorization.

115755091984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 55.

The spelling of 115755091984 in words is "one hundred fifteen billion, seven hundred fifty-five million, ninety-one thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 29 49 56 58 98 112 116 196 203 232 392 406 419 464 784 812 838 841 1421 1624 1676 1682 2842 2933 3248 3352 3364 5684 5866 5887 6704 6728 11368 11732 11774 12151 13456 20531 22736 23464 23548 24302 41062 41209 46928 47096 48604 82124 82418 85057 94192 97208 164248 164836 170114 175561 194416 328496 329672 340228 351122 352379 595399 659344 680456 702244 704758 1190798 1228927 1360912 1404488 1409516 2381596 2457854 2466653 2808976 2819032 4763192 4915708 4933306 5091269 5638064 8602489 9526384 9831416 9866612 10182538 17204978 17266571 19662832 19733224 20365076 34409956 34533142 35638883 39466448 40730152 68819912 69066284 71277766 81460304 137639824 138132568 142555532 147646801 249472181 276265136 285111064 295293602 498944362 570222128 590587204 997888724 1033527607 1181174408 1995777448 2067055214 2362348816 3991554896 4134110428 7234693249 8268220856 14469386498 16536441712 28938772996 57877545992 115755091984