Search a number
-
+
620345115045 = 325471511942433
BaseRepresentation
bin10010000011011110111…
…00110100000110100101
32012022012220202222120200
421001233130310012211
540130431322140140
61152552124421113
762550505322145
oct11015734640645
92168186688520
10620345115045
1121a0a5710667
12a02883a7799
134666299aa16
142204c324925
151120b05a030
hex906f7341a5

620345115045 has 48 divisors (see below), whose sum is σ = 1105415880192. Its totient is φ = 321666739200.

The previous prime is 620345114981. The next prime is 620345115077. The reversal of 620345115045 is 540511543026.

620345115045 is a `hidden beast` number, since 6 + 20 + 34 + 511 + 50 + 45 = 666.

It is not a de Polignac number, because 620345115045 - 26 = 620345114981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 651852 + ... + 1290581.

It is an arithmetic number, because the mean of its divisors is an integer number (23029497504).

Almost surely, 2620345115045 is an apocalyptic number.

It is an amenable number.

620345115045 is a deficient number, since it is larger than the sum of its proper divisors (485070765147).

620345115045 is a wasteful number, since it uses less digits than its factorization.

620345115045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942642 (or 1942639 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 620345115045 in words is "six hundred twenty billion, three hundred forty-five million, one hundred fifteen thousand, forty-five".

Divisors: 1 3 5 9 15 45 47 141 151 235 423 453 705 755 1359 2115 2265 6795 7097 21291 35485 63873 106455 319365 1942433 5827299 9712165 17481897 29136495 87409485 91294351 273883053 293307383 456471755 821649159 879922149 1369415265 1466536915 2639766447 4108245795 4399610745 13198832235 13785447001 41356341003 68927235005 124069023009 206781705015 620345115045