Base | Representation |
---|---|
bin | 10000101100100… |
… | …01001111011011 |
3 | 100202112120001022 |
4 | 20112101033123 |
5 | 241323234030 |
6 | 21521513055 |
7 | 3320311055 |
oct | 1026211733 |
9 | 322476038 |
10 | 140055515 |
11 | 7206a866 |
12 | 3aaa278b |
13 | 230296b2 |
14 | 1485a8d5 |
15 | c467de5 |
hex | 85913db |
140055515 has 16 divisors (see below), whose sum is σ = 172574688. Its totient is φ = 109057536.
The previous prime is 140055497. The next prime is 140055541. The reversal of 140055515 is 515550041.
140055515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 140055515 - 224 = 123278299 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71489 + ... + 73421.
It is an arithmetic number, because the mean of its divisors is an integer number (10785918).
Almost surely, 2140055515 is an apocalyptic number.
140055515 is a deficient number, since it is larger than the sum of its proper divisors (32519173).
140055515 is a wasteful number, since it uses less digits than its factorization.
140055515 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2318.
The product of its (nonzero) digits is 2500, while the sum is 26.
The square root of 140055515 is about 11834.5052706059. The cubic root of 140055515 is about 519.3180347605.
The spelling of 140055515 in words is "one hundred forty million, fifty-five thousand, five hundred fifteen".
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