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116801280 = 2832510139
BaseRepresentation
bin1101111011000…
…11111100000000
322010210010020100
412331203330000
5214400120110
615331242400
72615536341
oct675437400
9263703210
10116801280
115aa27592
1233149400
131b276cab
14117260c8
15a3c2bc0
hex6f63f00

116801280 has 108 divisors (see below), whose sum is σ = 404160120. Its totient is φ = 31143936.

The previous prime is 116801233. The next prime is 116801281. The reversal of 116801280 is 82108611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116801281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6451 + ... + 16589.

Almost surely, 2116801280 is an apocalyptic number.

116801280 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 116801280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202080060).

116801280 is an abundant number, since it is smaller than the sum of its proper divisors (287358840).

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

116801280 is a wasteful number, since it uses less digits than its factorization.

116801280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166 (or 10149 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 116801280 is about 10807.4640873796. The cubic root of 116801280 is about 488.8202634008.

Adding to 116801280 its reverse (82108611), we get a palindrome (198909891).

The spelling of 116801280 in words is "one hundred sixteen million, eight hundred one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 576 640 720 768 960 1152 1280 1440 1920 2304 2880 3840 5760 10139 11520 20278 30417 40556 50695 60834 81112 91251 101390 121668 152085 162224 182502 202780 243336 304170 324448 365004 405560 456255 486672 608340 648896 730008 811120 912510 973344 1216680 1297792 1460016 1622240 1825020 1946688 2433360 2595584 2920032 3244480 3650040 3893376 4866720 5840064 6488960 7300080 7786752 9733440 11680128 12977920 14600160 19466880 23360256 29200320 38933760 58400640 116801280