Base | Representation |
---|---|
bin | 1000111001111000001… |
… | …1010101101101000101 |
3 | 112121212010110010210210 |
4 | 2032132003111231011 |
5 | 10001243213441241 |
6 | 154135340310033 |
7 | 14023606362141 |
oct | 2163603255505 |
9 | 477763403723 |
10 | 152975530821 |
11 | 59970776533 |
12 | 25793242319 |
13 | 1156bb77299 |
14 | 7592a28221 |
15 | 3ea4e3d316 |
hex | 239e0d5b45 |
152975530821 has 32 divisors (see below), whose sum is σ = 207179441280. Its totient is φ = 100389003264.
The previous prime is 152975530819. The next prime is 152975530831. The reversal of 152975530821 is 128035579251.
152975530821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 152975530821 - 21 = 152975530819 is a prime.
It is a super-3 number, since 3×1529755308213 (a number of 35 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152975530801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72396261 + ... + 72398373.
It is an arithmetic number, because the mean of its divisors is an integer number (6474357540).
Almost surely, 2152975530821 is an apocalyptic number.
It is an amenable number.
152975530821 is a deficient number, since it is larger than the sum of its proper divisors (54203910459).
152975530821 is a wasteful number, since it uses less digits than its factorization.
152975530821 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3285.
The product of its (nonzero) digits is 756000, while the sum is 48.
The spelling of 152975530821 in words is "one hundred fifty-two billion, nine hundred seventy-five million, five hundred thirty thousand, eight hundred twenty-one".
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