Search a number
-
+
116269681 = 11174713229
BaseRepresentation
bin1101110111000…
…10001001110001
322002210010000111
412323202021301
5214231112211
615312021321
72611163443
oct673421161
9262703014
10116269681
115a6a4150
1232b31841
131b11c038
1411628493
15a31a421
hex6ee2271

116269681 has 16 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 97358080.

The previous prime is 116269663. The next prime is 116269687. The reversal of 116269681 is 186962611.

It is a cyclic number.

It is not a de Polignac number, because 116269681 - 25 = 116269649 is a prime.

It is a super-2 number, since 2×1162696812 = 27037277439683522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116269687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175 + ... + 15403.

It is an arithmetic number, because the mean of its divisors is an integer number (8573040).

Almost surely, 2116269681 is an apocalyptic number.

116269681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116269681 is a deficient number, since it is larger than the sum of its proper divisors (20898959).

116269681 is a wasteful number, since it uses less digits than its factorization.

116269681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13304.

The product of its digits is 31104, while the sum is 40.

The square root of 116269681 is about 10782.8419723188. The cubic root of 116269681 is about 488.0775443937.

The spelling of 116269681 in words is "one hundred sixteen million, two hundred sixty-nine thousand, six hundred eighty-one".

Divisors: 1 11 17 47 187 517 799 8789 13229 145519 224893 621763 2473823 6839393 10569971 116269681