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115689681410 = 2579011464241
BaseRepresentation
bin110101110111110100…
…1000111001000000010
3102001121121112201222012
41223233221013020002
53343413024301120
6125051435212522
711233620031622
oct1535751071002
9361547481865
10115689681410
1145077899a56
121a5082a7142
13aba91c42b4
145856ad4882
1530218841c5
hex1aefa47202

115689681410 has 16 divisors (see below), whose sum is σ = 208267925112. Its totient is φ = 46269984000.

The previous prime is 115689681383. The next prime is 115689681431. The reversal of 115689681410 is 14186986511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62815898161 + 52873783249 = 250631^2 + 229943^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653111 + ... + 811130.

Almost surely, 2115689681410 is an apocalyptic number.

115689681410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115689681410 is a deficient number, since it is larger than the sum of its proper divisors (92578243702).

115689681410 is a wasteful number, since it uses less digits than its factorization.

115689681410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472149.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 115689681410 in words is "one hundred fifteen billion, six hundred eighty-nine million, six hundred eighty-one thousand, four hundred ten".

Divisors: 1 2 5 10 7901 15802 39505 79010 1464241 2928482 7321205 14642410 11568968141 23137936282 57844840705 115689681410