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285158401153 = 1573118127163
BaseRepresentation
bin1000010011001001100…
…00111110010010000001
31000021001011211200120221
410021210300332102001
514133001022314103
6334555554103041
726413330263013
oct4114460762201
91007034750527
10285158401153
11aaa3153542a
1247322b7aa81
1320b76063662
14db31d921b3
15763e7381bd
hex4264c3e481

285158401153 has 4 divisors (see below), whose sum is σ = 285176544048. Its totient is φ = 285140258260.

The previous prime is 285158401147. The next prime is 285158401181. The reversal of 285158401153 is 351104851582.

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 285158401153 - 29 = 285158400641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285158401553) 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, 9047851 + ... + 9079312.

It is an arithmetic number, because the mean of its divisors is an integer number (71294136012).

Almost surely, 2285158401153 is an apocalyptic number.

It is an amenable number.

285158401153 is a deficient number, since it is larger than the sum of its proper divisors (18142895).

285158401153 is a wasteful number, since it uses less digits than its factorization.

285158401153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142894.

The product of its (nonzero) digits is 192000, while the sum is 43.

The spelling of 285158401153 in words is "two hundred eighty-five billion, one hundred fifty-eight million, four hundred one thousand, one hundred fifty-three".

Divisors: 1 15731 18127163 285158401153