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2160223747031 = 73311012011507
BaseRepresentation
bin11111011011110111010…
…111100111101111010111
321122111220201002112012002
4133123313113213233113
5240343114234401111
64332220523545515
7312033233612000
oct37336727475727
97574821075162
102160223747031
11763166a96449
122aa7ba68b29b
13128928c8108c
14767abda81a7
153b2d441563b
hex1f6f75e7bd7

2160223747031 has 32 divisors (see below), whose sum is σ = 2626224844800. Its totient is φ = 1774148292000.

The previous prime is 2160223747021. The next prime is 2160223747067. The reversal of 2160223747031 is 1307473220612.

It is not a de Polignac number, because 2160223747031 - 234 = 2143043877847 is a prime.

It is a super-2 number, since 2×21602237470312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160223747021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68180 + ... + 2079686.

It is an arithmetic number, because the mean of its divisors is an integer number (82069526400).

Almost surely, 22160223747031 is an apocalyptic number.

2160223747031 is a deficient number, since it is larger than the sum of its proper divisors (466001097769).

2160223747031 is a wasteful number, since it uses less digits than its factorization.

2160223747031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011660 (or 2011646 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 2160223747031 its reverse (1307473220612), we get a palindrome (3467696967643).

The spelling of 2160223747031 in words is "two trillion, one hundred sixty billion, two hundred twenty-three million, seven hundred forty-seven thousand, thirty-one".

Divisors: 1 7 31 49 101 217 343 707 1519 3131 4949 10633 21917 34643 153419 1073933 2011507 14080549 62356717 98563843 203162207 436497019 689946901 1422135449 3055479133 6298028417 9954948143 21388353931 44086198919 69684637001 308603392433 2160223747031