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116310021 = 3145926573
BaseRepresentation
bin1101110111011…
…00000000000101
322002212011100120
412323230000011
5214233410041
615312532153
72611422162
oct673540005
9262764316
10116310021
115a721493
1232b51059
131b1344c9
1411639069
15a327366
hex6eec005

116310021 has 8 divisors (see below), whose sum is σ = 155192160. Its totient is φ = 77483952.

The previous prime is 116310017. The next prime is 116310031. The reversal of 116310021 is 120013611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116310021 - 22 = 116310017 is a prime.

It is a super-3 number, since 3×1163100213 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116310031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8910 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (19399020).

Almost surely, 2116310021 is an apocalyptic number.

It is an amenable number.

116310021 is a deficient number, since it is larger than the sum of its proper divisors (38882139).

116310021 is a wasteful number, since it uses less digits than its factorization.

116310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28035.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 116310021 is about 10784.7123744679. The cubic root of 116310021 is about 488.1339843626.

Adding to 116310021 its reverse (120013611), we get a palindrome (236323632).

The spelling of 116310021 in words is "one hundred sixteen million, three hundred ten thousand, twenty-one".

Divisors: 1 3 1459 4377 26573 79719 38770007 116310021