Base | Representation |
---|---|
bin | 1000110110101100010… |
… | …1110001011001000101 |
3 | 112112122112121121212021 |
4 | 2031223011301121011 |
5 | 4443020323434001 |
6 | 153514434523141 |
7 | 13663455113632 |
oct | 2155305613105 |
9 | 475575547767 |
10 | 152120530501 |
11 | 5957208a0a5 |
12 | 25594a364b1 |
13 | 114639a8034 |
14 | 7511263189 |
15 | 3e54d4eba1 |
hex | 236b171645 |
152120530501 has 2 divisors, whose sum is σ = 152120530502. Its totient is φ = 152120530500.
The previous prime is 152120530487. The next prime is 152120530511. The reversal of 152120530501 is 105035021251.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 150009036100 + 2111494401 = 387310^2 + 45951^2 .
It is an emirp because it is prime and its reverse (105035021251) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 152120530501 - 25 = 152120530469 is a prime.
It is a super-2 number, since 2×1521205305012 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (152120530511) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76060265250 + 76060265251.
It is an arithmetic number, because the mean of its divisors is an integer number (76060265251).
Almost surely, 2152120530501 is an apocalyptic number.
It is an amenable number.
152120530501 is a deficient number, since it is larger than the sum of its proper divisors (1).
152120530501 is an equidigital number, since it uses as much as digits as its factorization.
152120530501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1500, while the sum is 25.
Adding to 152120530501 its reverse (105035021251), we get a palindrome (257155551752).
The spelling of 152120530501 in words is "one hundred fifty-two billion, one hundred twenty million, five hundred thirty thousand, five hundred one".
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