Base | Representation |
---|---|
bin | 10010000100101… |
… | …01101000000101 |
3 | 101120021110211012 |
4 | 21002111220011 |
5 | 302302422223 |
6 | 23013252005 |
7 | 3520434200 |
oct | 1102255005 |
9 | 346243735 |
10 | 151607813 |
11 | 78640215 |
12 | 42934005 |
13 | 25542986 |
14 | 161c6937 |
15 | d49ac78 |
hex | 9095a05 |
151607813 has 6 divisors (see below), whose sum is σ = 176360166. Its totient is φ = 129949512.
The previous prime is 151607803. The next prime is 151607837. The reversal of 151607813 is 318706151.
It can be written as a sum of positive squares in only one way, i.e., 117115684 + 34492129 = 10822^2 + 5873^2 .
It is not a de Polignac number, because 151607813 - 26 = 151607749 is a prime.
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 151607813.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151607803) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1546970 + ... + 1547067.
It is an arithmetic number, because the mean of its divisors is an integer number (29393361).
Almost surely, 2151607813 is an apocalyptic number.
It is an amenable number.
151607813 is a deficient number, since it is larger than the sum of its proper divisors (24752353).
151607813 is an equidigital number, since it uses as much as digits as its factorization.
151607813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3094051 (or 3094044 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 151607813 is about 12312.9124499446. The cubic root of 151607813 is about 533.2209377301.
The spelling of 151607813 in words is "one hundred fifty-one million, six hundred seven thousand, eight hundred thirteen".
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