Base | Representation |
---|---|
bin | 11100001110001010… |
… | …10110000000001000 |
3 | 1110002220201001222102 |
4 | 32013011112000020 |
5 | 222012203230023 |
6 | 10543235212532 |
7 | 1044314206100 |
oct | 160705260010 |
9 | 43086631872 |
10 | 15151226888 |
11 | 6475522016 |
12 | 2b2a147148 |
13 | 1575c87515 |
14 | a3a34c200 |
15 | 5da237628 |
hex | 387156008 |
15151226888 has 36 divisors (see below), whose sum is σ = 33051997485. Its totient is φ = 6492338496.
The previous prime is 15151226887. The next prime is 15151226891. The reversal of 15151226888 is 88862215151.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 14251106884 + 900120004 = 119378^2 + 30002^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=87038.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (15151226887) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2433956 + ... + 2440172.
Almost surely, 215151226888 is an apocalyptic number.
It is an amenable number.
15151226888 is an abundant number, since it is smaller than the sum of its proper divisors (17900770597).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15151226888 is an frugal number, since it uses more digits than its factorization.
15151226888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12454 (or 6226 counting only the distinct ones).
The product of its digits is 307200, while the sum is 47.
The spelling of 15151226888 in words is "fifteen billion, one hundred fifty-one million, two hundred twenty-six thousand, eight hundred eighty-eight".
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