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620363230161 = 3477395953639
BaseRepresentation
bin10010000011100001000…
…01111010101111010001
32012022021011212022211220
421001300201322233101
540131000441331121
61152554012555253
762551115310663
oct11016041725721
92168234768756
10620363230161
1121a104963834
12a0292482b29
134666667121c
14220508bc533
151120c9376c6
hex907087abd1

620363230161 has 16 divisors (see below), whose sum is σ = 845893171200. Its totient is φ = 404228205648.

The previous prime is 620363230009. The next prime is 620363230183. The reversal of 620363230161 is 161032363026.

It is not a de Polignac number, because 620363230161 - 211 = 620363228113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620363230561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2872621 + ... + 3081018.

It is an arithmetic number, because the mean of its divisors is an integer number (52868323200).

Almost surely, 2620363230161 is an apocalyptic number.

It is an amenable number.

620363230161 is a deficient number, since it is larger than the sum of its proper divisors (225529941039).

620363230161 is a wasteful number, since it uses less digits than its factorization.

620363230161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954428.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 620363230161 its reverse (161032363026), we get a palindrome (781395593187).

The spelling of 620363230161 in words is "six hundred twenty billion, three hundred sixty-three million, two hundred thirty thousand, one hundred sixty-one".

Divisors: 1 3 47 141 739 2217 34733 104199 5953639 17860917 279821033 839463099 4399739221 13199217663 206787743387 620363230161