Base | Representation |
---|---|
bin | 10000101011000… |
… | …11111100111011 |
3 | 100202012010120210 |
4 | 20111203330323 |
5 | 241301320021 |
6 | 21513522203 |
7 | 3315606201 |
oct | 1025437473 |
9 | 322163523 |
10 | 139870011 |
11 | 71a53456 |
12 | 3aa13363 |
13 | 22c93128 |
14 | 1480d071 |
15 | c42ce76 |
hex | 8563f3b |
139870011 has 8 divisors (see below), whose sum is σ = 189550864. Its totient is φ = 91717920.
The previous prime is 139870009. The next prime is 139870019. The reversal of 139870011 is 110078931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 139870011 - 21 = 139870009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (139870019) 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, 381976 + ... + 382341.
It is an arithmetic number, because the mean of its divisors is an integer number (23693858).
Almost surely, 2139870011 is an apocalyptic number.
139870011 is a deficient number, since it is larger than the sum of its proper divisors (49680853).
139870011 is an equidigital number, since it uses as much as digits as its factorization.
139870011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 764381.
The product of its (nonzero) digits is 1512, while the sum is 30.
The square root of 139870011 is about 11826.6652527245. The cubic root of 139870011 is about 519.0886539650.
The spelling of 139870011 in words is "one hundred thirty-nine million, eight hundred seventy thousand, eleven".
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