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620080230913 = 111319792888891
BaseRepresentation
bin10010000010111111010…
…10010111001000000001
32012021112110100110212021
421001133222113020001
540124411014342123
61152505543201441
762541110666203
oct11013752271001
92167473313767
10620080230913
11219a7a141260
12a0213746281
134661cb46650
1422025092773
15111e2b85c5d
hex905fa97201

620080230913 has 32 divisors (see below), whose sum is σ = 776534169600. Its totient is φ = 486720187200.

The previous prime is 620080230901. The next prime is 620080230961. The reversal of 620080230913 is 319032080026.

It is a happy number.

It is not a de Polignac number, because 620080230913 - 217 = 620080099841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620080230113) 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 31 ways as a sum of consecutive naturals, for example, 1229803 + ... + 1659088.

It is an arithmetic number, because the mean of its divisors is an integer number (24266692800).

Almost surely, 2620080230913 is an apocalyptic number.

It is an amenable number.

620080230913 is a deficient number, since it is larger than the sum of its proper divisors (156453938687).

620080230913 is a wasteful number, since it uses less digits than its factorization.

620080230913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889013.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 620080230913 in words is "six hundred twenty billion, eighty million, two hundred thirty thousand, nine hundred thirteen".

Divisors: 1 11 13 19 79 143 209 247 869 1027 1501 2717 11297 16511 19513 214643 2888891 31777801 37555583 54888929 228222389 413111413 603778219 713556077 2510446279 2966891057 4336225391 7849116847 32635801627 47698479301 56370930083 620080230913