Base | Representation |
---|---|
bin | 1100011010000011011… |
… | …1101010000111100110 |
3 | 202101011221201220120210 |
4 | 3012200313222013212 |
5 | 11443013444430002 |
6 | 241530522240250 |
7 | 21254054005611 |
oct | 3064067520746 |
9 | 671157656523 |
10 | 213152342502 |
11 | 82440a38850 |
12 | 35388356086 |
13 | 1713c130068 |
14 | a460b85178 |
15 | 5827e6996c |
hex | 31a0dea1e6 |
213152342502 has 64 divisors (see below), whose sum is σ = 480773905920. Its totient is φ = 62437996800.
The previous prime is 213152342489. The next prime is 213152342531. The reversal of 213152342502 is 205243251312.
213152342502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2131523425022 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 213152342502.
It is a congruent number.
It is an unprimeable number.
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, 66378 + ... + 656285.
It is an arithmetic number, because the mean of its divisors is an integer number (7512092280).
Almost surely, 2213152342502 is an apocalyptic number.
213152342502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
213152342502 is an abundant number, since it is smaller than the sum of its proper divisors (267621563418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213152342502 is a wasteful number, since it uses less digits than its factorization.
213152342502 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722829.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 213152342502 its reverse (205243251312), we get a palindrome (418395593814).
The spelling of 213152342502 in words is "two hundred thirteen billion, one hundred fifty-two million, three hundred forty-two thousand, five hundred two".
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