Base | Representation |
---|---|
bin | 100010101111101010000100… |
… | …101100010011010100101001 |
3 | 202001001100122011102210100022 |
4 | 202233222010230103110221 |
5 | 130012103424100204311 |
6 | 1300555142243250225 |
7 | 44121024611405336 |
oct | 4257520454232451 |
9 | 661040564383308 |
10 | 152808572663081 |
11 | 4476482a614465 |
12 | 1517b3a9979975 |
13 | 6735a2c13684a |
14 | 29a3d8d9a798d |
15 | 129ed7d1175db |
hex | 8afa84b13529 |
152808572663081 has 4 divisors (see below), whose sum is σ = 154321528828164. Its totient is φ = 151295616498000.
The previous prime is 152808572663059. The next prime is 152808572663083. The reversal of 152808572663081 is 180366275808251.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 78086984115856 + 74721588547225 = 8836684^2 + 8644165^2 .
It is a cyclic number.
It is not a de Polignac number, because 152808572663081 - 226 = 152808505554217 is a prime.
It is a super-2 number, since 2×1528085726630812 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152808572663083) 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, 756478082390 + ... + 756478082591.
It is an arithmetic number, because the mean of its divisors is an integer number (38580382207041).
Almost surely, 2152808572663081 is an apocalyptic number.
It is an amenable number.
152808572663081 is a deficient number, since it is larger than the sum of its proper divisors (1512956165083).
152808572663081 is a wasteful number, since it uses less digits than its factorization.
152808572663081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1512956165082.
The product of its (nonzero) digits is 38707200, while the sum is 62.
The spelling of 152808572663081 in words is "one hundred fifty-two trillion, eight hundred eight billion, five hundred seventy-two million, six hundred sixty-three thousand, eighty-one".
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