Search a number
-
+
620345738199 = 311281307217909
BaseRepresentation
bin10010000011011110111…
…11001100001111010111
32012022012221221122101110
421001233133030033113
540130432002110244
61152552150030103
762550513526005
oct11015737141727
92168187848343
10620345738199
1121a0a5aa6870
12a0288648333
1346662b58555
142204c447a75
151120b12e9b9
hex906f7cc3d7

620345738199 has 32 divisors (see below), whose sum is σ = 908485966080. Its totient is φ = 373407148800.

The previous prime is 620345738153. The next prime is 620345738227. The reversal of 620345738199 is 991837543026.

It is not a de Polignac number, because 620345738199 - 28 = 620345737943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620345738119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2737857 + ... + 2955765.

It is an arithmetic number, because the mean of its divisors is an integer number (28390186440).

It is a 1-persistent number, because it is pandigital, but 2⋅620345738199 = 1240691476398 is not.

Almost surely, 2620345738199 is an apocalyptic number.

620345738199 is a deficient number, since it is larger than the sum of its proper divisors (288140227881).

620345738199 is a wasteful number, since it uses less digits than its factorization.

620345738199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218511.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 620345738199 in words is "six hundred twenty billion, three hundred forty-five million, seven hundred thirty-eight thousand, one hundred ninety-nine".

Divisors: 1 3 11 33 281 307 843 921 3091 3377 9273 10131 86267 217909 258801 653727 948937 2396999 2846811 7190997 61232429 66898063 183697287 200694189 673556719 735878693 2020670157 2207636079 18798355703 56395067109 206781912733 620345738199