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2072102387912 = 23412124132
BaseRepresentation
bin11110001001110010111…
…011010100000011001000
321100002110101012122212122
4132021302323110003020
5232422131202403122
64223524413230412
7302463425455364
oct36116273240310
97302411178778
102072102387912
11729856862027
12295706a92408
1312052442472b
147240c7b42a4
1538d77e78142
hex1e272ed40c8

2072102387912 has 36 divisors (see below), whose sum is σ = 3982584835635. Its totient is φ = 1010700223360.

The previous prime is 2072102387897. The next prime is 2072102387941. The reversal of 2072102387912 is 2197832012702.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 477597316 + 2071624790596 = 21854^2 + 1439314^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1017866.

It is a super-2 number, since 2×20721023879122 (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 166923818 + ... + 166936230.

Almost surely, 22072102387912 is an apocalyptic number.

It is an amenable number.

2072102387912 is a deficient number, since it is larger than the sum of its proper divisors (1910482447723).

2072102387912 is an frugal number, since it uses more digits than its factorization.

2072102387912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24914 (or 12456 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 2072102387912 in words is "two trillion, seventy-two billion, one hundred two million, three hundred eighty-seven thousand, nine hundred twelve".

Divisors: 1 2 4 8 41 82 164 328 1681 3362 6724 12413 13448 24826 49652 99304 508933 1017866 2035732 4071464 20866253 41732506 83465012 154082569 166930024 308165138 616330276 1232660552 6317385329 12634770658 25269541316 50539082632 259012798489 518025596978 1036051193956 2072102387912