Base | Representation |
---|---|
bin | 1000111001001111110… |
… | …0000110011010100111 |
3 | 112121102022012000121111 |
4 | 2032103330012122213 |
5 | 10000421300023111 |
6 | 154110435525451 |
7 | 14016446250055 |
oct | 2162374063247 |
9 | 477368160544 |
10 | 152805861031 |
11 | 59893a1a06a |
12 | 25746459887 |
13 | 1154297c365 |
14 | 757829d1d5 |
15 | 3e950c5a21 |
hex | 2393f066a7 |
152805861031 has 8 divisors (see below), whose sum is σ = 155109468800. Its totient is φ = 150502927608.
The previous prime is 152805861011. The next prime is 152805861073. The reversal of 152805861031 is 130168508251.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 152805861031 - 213 = 152805852839 is a prime.
It is a super-2 number, since 2×1528058610312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152805861011) 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, 297670 + ... + 627868.
It is an arithmetic number, because the mean of its divisors is an integer number (19388683600).
Almost surely, 2152805861031 is an apocalyptic number.
152805861031 is a deficient number, since it is larger than the sum of its proper divisors (2303607769).
152805861031 is an equidigital number, since it uses as much as digits as its factorization.
152805861031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337173.
The product of its (nonzero) digits is 57600, while the sum is 40.
The spelling of 152805861031 in words is "one hundred fifty-two billion, eight hundred five million, eight hundred sixty-one thousand, thirty-one".
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