Base | Representation |
---|---|
bin | 1000110110101011011… |
… | …0110101101000101001 |
3 | 112112122021020201210102 |
4 | 2031222312311220221 |
5 | 4443013323200341 |
6 | 153514214555145 |
7 | 13663406620400 |
oct | 2155266655051 |
9 | 475567221712 |
10 | 152116615721 |
11 | 5956a955944 |
12 | 25593668ab5 |
13 | 11462c371b5 |
14 | 7510924637 |
15 | 3e54829c9b |
hex | 236adb5a29 |
152116615721 has 12 divisors (see below), whose sum is σ = 177453282132. Its totient is φ = 130016291328.
The previous prime is 152116615691. The next prime is 152116615753. The reversal of 152116615721 is 127516611251.
It can be written as a sum of positive squares in 2 ways, for example, as 112519993600 + 39596622121 = 335440^2 + 198989^2 .
It is not a de Polignac number, because 152116615721 - 214 = 152116599337 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (152116612721) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4379900 + ... + 4414493.
It is an arithmetic number, because the mean of its divisors is an integer number (14787773511).
Almost surely, 2152116615721 is an apocalyptic number.
It is an amenable number.
152116615721 is a deficient number, since it is larger than the sum of its proper divisors (25336666411).
152116615721 is an equidigital number, since it uses as much as digits as its factorization.
152116615721 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8794760 (or 8794753 counting only the distinct ones).
The product of its digits is 25200, while the sum is 38.
The spelling of 152116615721 in words is "one hundred fifty-two billion, one hundred sixteen million, six hundred fifteen thousand, seven hundred twenty-one".
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