Base | Representation |
---|---|
bin | 1100000011101… |
… | …00111111000110 |
3 | 21001022120101102 |
4 | 12001310333012 |
5 | 201343024340 |
6 | 14011500102 |
7 | 2335461002 |
oct | 601647706 |
9 | 231276342 |
10 | 101142470 |
11 | 52101920 |
12 | 29a57632 |
13 | 17c53820 |
14 | d60b702 |
15 | 8d2d215 |
hex | 6074fc6 |
101142470 has 32 divisors (see below), whose sum is σ = 213887520. Its totient is φ = 33949440.
The previous prime is 101142443. The next prime is 101142473. The reversal of 101142470 is 74241101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101142473) 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, 33935 + ... + 36794.
It is an arithmetic number, because the mean of its divisors is an integer number (6683985).
Almost surely, 2101142470 is an apocalyptic number.
101142470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
101142470 is an abundant number, since it is smaller than the sum of its proper divisors (112745050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101142470 is a wasteful number, since it uses less digits than its factorization.
101142470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70760.
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 101142470 is about 10056.9612706821. The cubic root of 101142470 is about 465.9198195658.
Adding to 101142470 its reverse (74241101), we get a palindrome (175383571).
The spelling of 101142470 in words is "one hundred one million, one hundred forty-two thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.135 sec. • engine limits •