Base | Representation |
---|---|
bin | 1000110110111100100… |
… | …1101000100100100000 |
3 | 112112211021210112201122 |
4 | 2031233021220210200 |
5 | 4443140243324213 |
6 | 153525310551412 |
7 | 13665243124214 |
oct | 2155711504440 |
9 | 475737715648 |
10 | 152188651808 |
11 | 595a75876a6 |
12 | 255b3808568 |
13 | 11474b396bb |
14 | 751a316944 |
15 | 3e5ad08d08 |
hex | 236f268920 |
152188651808 has 18 divisors (see below), whose sum is σ = 299625752979. Its totient is φ = 76093222496.
The previous prime is 152188651801. The next prime is 152188651831. The reversal of 152188651808 is 808156881251.
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 only one way, i.e., 76094325904 + 76094325904 = 275852^2 + 275852^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=275852.
It is a super-2 number, since 2×1521886518082 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 152188651808.
It is not an unprimeable number, because it can be changed into a prime (152188651801) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2172335 + ... + 2241297.
Almost surely, 2152188651808 is an apocalyptic number.
It is an amenable number.
152188651808 is a deficient number, since it is larger than the sum of its proper divisors (147437101171).
152188651808 is an frugal number, since it uses more digits than its factorization.
152188651808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137936 (or 68965 counting only the distinct ones).
The product of its (nonzero) digits is 1228800, while the sum is 53.
The spelling of 152188651808 in words is "one hundred fifty-two billion, one hundred eighty-eight million, six hundred fifty-one thousand, eight hundred eight".
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