Search a number
-
+
53321507045 = 540012665409
BaseRepresentation
bin110001101010001101…
…011010000011100101
312002122001211012201022
4301222031122003211
51333200301211140
640255012540525
73565233221522
oct615215320345
9162561735638
1053321507045
11206826674a4
12a401321745
135049c42401
14281b908149
1515c12950b5
hexc6a35a0e5

53321507045 has 8 divisors (see below), whose sum is σ = 64001824920. Its totient is φ = 42646528000.

The previous prime is 53321507023. The next prime is 53321507047. The reversal of 53321507045 is 54070512335.

It can be written as a sum of positive squares in 4 ways, for example, as 208773601 + 53112733444 = 14449^2 + 230462^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-53321507045 is a prime.

It is a super-2 number, since 2×533215070452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53321506996 and 53321507014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53321507047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312700 + ... + 1352709.

It is an arithmetic number, because the mean of its divisors is an integer number (8000228115).

Almost surely, 253321507045 is an apocalyptic number.

It is an amenable number.

53321507045 is a deficient number, since it is larger than the sum of its proper divisors (10680317875).

53321507045 is a wasteful number, since it uses less digits than its factorization.

53321507045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669415.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 53321507045 in words is "fifty-three billion, three hundred twenty-one million, five hundred seven thousand, forty-five".

Divisors: 1 5 4001 20005 2665409 13327045 10664301409 53321507045