Base | Representation |
---|---|
bin | 1000110110110101000… |
… | …1010001110010011001 |
3 | 112112202002102121102221 |
4 | 2031231101101302121 |
5 | 4443104204214314 |
6 | 153522222424041 |
7 | 13664411010031 |
oct | 2155521216231 |
9 | 475662377387 |
10 | 152157101209 |
11 | 59590798223 |
12 | 255a5132021 |
13 | 1146b4409c9 |
14 | 75160628c1 |
15 | 3e58175824 |
hex | 236d451c99 |
152157101209 has 4 divisors (see below), whose sum is σ = 152435268304. Its totient is φ = 151878934116.
The previous prime is 152157101183. The next prime is 152157101233. The reversal of 152157101209 is 902101751251.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 152157101209 - 211 = 152157099161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152157101279) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139082727 + ... + 139083820.
It is an arithmetic number, because the mean of its divisors is an integer number (38108817076).
Almost surely, 2152157101209 is an apocalyptic number.
It is an amenable number.
152157101209 is a deficient number, since it is larger than the sum of its proper divisors (278167095).
152157101209 is an equidigital number, since it uses as much as digits as its factorization.
152157101209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 278167094.
The product of its (nonzero) digits is 6300, while the sum is 34.
The spelling of 152157101209 in words is "one hundred fifty-two billion, one hundred fifty-seven million, one hundred one thousand, two hundred nine".
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