Search a number
-
+
53395642999 = 216612465059
BaseRepresentation
bin110001101110101000…
…001101101001110111
312002211020022201010101
4301232220031221313
51333323241033444
640310221534531
73600123322366
oct615650155167
9162736281111
1053395642999
11207104a2986
12a422114447
13505c3cb63a
1428276c57dd
1515c7a3b3d4
hexc6ea0da77

53395642999 has 4 divisors (see below), whose sum is σ = 53398129720. Its totient is φ = 53393156280.

The previous prime is 53395642973. The next prime is 53395643023. The reversal of 53395642999 is 99924659335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53395642999 - 25 = 53395642967 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 53395642999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53395642969) 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, 1210869 + ... + 1254190.

It is an arithmetic number, because the mean of its divisors is an integer number (13349532430).

Almost surely, 253395642999 is an apocalyptic number.

53395642999 is a deficient number, since it is larger than the sum of its proper divisors (2486721).

53395642999 is a wasteful number, since it uses less digits than its factorization.

53395642999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486720.

The product of its digits is 70858800, while the sum is 64.

The spelling of 53395642999 in words is "fifty-three billion, three hundred ninety-five million, six hundred forty-two thousand, nine hundred ninety-nine".

Divisors: 1 21661 2465059 53395642999