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6774258390972 = 223564521532581
BaseRepresentation
bin110001010010100000101…
…0000111101011110111100
3212222121112201022001201220
41202211001100331132330
51341442140122002342
622224015031233340
71266265303151322
oct142450120753674
925877481261656
106774258390972
112181a462912a6
12914a91518850
133a1a6b255847
14195c394c1d12
15bb3324165ec
hex6294143d7bc

6774258390972 has 12 divisors (see below), whose sum is σ = 15806602912296. Its totient is φ = 2258086130320.

The previous prime is 6774258390971. The next prime is 6774258390973. The reversal of 6774258390972 is 2790938524776.

It is an interprime number because it is at equal distance from previous prime (6774258390971) and next prime (6774258390973).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×67742583909722 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6774258390897 and 6774258390906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774258390971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282260766279 + ... + 282260766302.

It is an arithmetic number, because the mean of its divisors is an integer number (1317216909358).

Almost surely, 26774258390972 is an apocalyptic number.

It is an amenable number.

6774258390972 is an abundant number, since it is smaller than the sum of its proper divisors (9032344521324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6774258390972 is a wasteful number, since it uses less digits than its factorization.

6774258390972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564521532588 (or 564521532586 counting only the distinct ones).

The product of its (nonzero) digits is 320060160, while the sum is 69.

The spelling of 6774258390972 in words is "six trillion, seven hundred seventy-four billion, two hundred fifty-eight million, three hundred ninety thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 564521532581 1129043065162 1693564597743 2258086130324 3387129195486 6774258390972