Base | Representation |
---|---|
bin | 11100010101101101… |
… | …10100111011000010 |
3 | 1110021022211012212002 |
4 | 32022312310323002 |
5 | 222124404431432 |
6 | 10553420104002 |
7 | 1046013242012 |
oct | 161266647302 |
9 | 43238735762 |
10 | 15214530242 |
11 | 64a822983a |
12 | 2b47395002 |
13 | 158611cc22 |
14 | a44909c42 |
15 | 5e0a8de62 |
hex | 38adb4ec2 |
15214530242 has 16 divisors (see below), whose sum is σ = 23085631800. Its totient is φ = 7519374720.
The previous prime is 15214530241. The next prime is 15214530263. The reversal of 15214530242 is 24203541251.
It can be written as a sum of positive squares in 4 ways, for example, as 14711021521 + 503508721 = 121289^2 + 22439^2 .
It is not an unprimeable number, because it can be changed into a prime (15214530241) 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, 625484 + ... + 649352.
Almost surely, 215214530242 is an apocalyptic number.
15214530242 is a deficient number, since it is larger than the sum of its proper divisors (7871101558).
15214530242 is a wasteful number, since it uses less digits than its factorization.
15214530242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27541.
The product of its (nonzero) digits is 9600, while the sum is 29.
The spelling of 15214530242 in words is "fifteen billion, two hundred fourteen million, five hundred thirty thousand, two hundred forty-two".
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