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116987369 is a prime number
BaseRepresentation
bin1101111100100…
…01010111101001
322011010120111112
412332101113221
5214422043434
615335240105
72620243022
oct676212751
9264116445
10116987369
1160044384
1233219035
131b3108c5
1411773c49
15a40cdce
hex6f915e9

116987369 has 2 divisors, whose sum is σ = 116987370. Its totient is φ = 116987368.

The previous prime is 116987329. The next prime is 116987413. The reversal of 116987369 is 963789611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113145769 + 3841600 = 10637^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 116987369 - 28 = 116987113 is a prime.

It is a super-2 number, since 2×1169873692 = 27372089011084322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116987329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58493684 + 58493685.

It is an arithmetic number, because the mean of its divisors is an integer number (58493685).

Almost surely, 2116987369 is an apocalyptic number.

It is an amenable number.

116987369 is a deficient number, since it is larger than the sum of its proper divisors (1).

116987369 is an equidigital number, since it uses as much as digits as its factorization.

116987369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 116987369 is about 10816.0699424514. The cubic root of 116987369 is about 489.0797234810.

The spelling of 116987369 in words is "one hundred sixteen million, nine hundred eighty-seven thousand, three hundred sixty-nine".