Search a number
-
+
53021525215 = 5233713219433
BaseRepresentation
bin110001011000010101…
…000100010011011111
312001212011100120000011
4301120111010103133
51332042002301330
640205135144051
73554631346111
oct613025042337
9161764316004
1053021525215
11205392a572a
12a338975027
134ccca4c979
1427cdb3b3b1
1515a4c8b82a
hexc585444df

53021525215 has 32 divisors (see below), whose sum is σ = 68245405056. Its totient is φ = 39442360320.

The previous prime is 53021525203. The next prime is 53021525237. The reversal of 53021525215 is 51252512035.

It is not a de Polignac number, because 53021525215 - 229 = 52484654303 is a prime.

It is a super-2 number, since 2×530215252152 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5616139 + ... + 5625571.

It is an arithmetic number, because the mean of its divisors is an integer number (2132668908).

Almost surely, 253021525215 is an apocalyptic number.

53021525215 is a deficient number, since it is larger than the sum of its proper divisors (15223879841).

53021525215 is a wasteful number, since it uses less digits than its factorization.

53021525215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10819.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 53021525215 in words is "fifty-three billion, twenty-one million, five hundred twenty-five thousand, two hundred fifteen".

Divisors: 1 5 23 37 115 185 851 1321 4255 6605 9433 30383 47165 48877 151915 216959 244385 349021 1084795 1124171 1745105 5620855 8027483 12460993 40137415 62304965 286602839 461056741 1433014195 2305283705 10604305043 53021525215