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6864054451 = 293199711731
BaseRepresentation
bin1100110010010000…
…10010100010110011
3122201100221002112221
412121020102202303
5103024144220301
63053040301511
7332045333362
oct63110224263
918640832487
106864054451
112a02641781
1213b6911897
138550b81a7
1449188d7d9
152a2913da1
hex1992128b3

6864054451 has 8 divisors (see below), whose sum is σ = 6891517584. Its totient is φ = 6836619360.

The previous prime is 6864054403. The next prime is 6864054481. The reversal of 6864054451 is 1544504686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6864054451 - 217 = 6863923379 is a prime.

It is a super-2 number, since 2×68640544512 = 94230487012585822802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6864054398 and 6864054407.

It is not an unprimeable number, because it can be changed into a prime (6864054481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579256 + ... + 590986.

It is an arithmetic number, because the mean of its divisors is an integer number (861439698).

Almost surely, 26864054451 is an apocalyptic number.

6864054451 is a deficient number, since it is larger than the sum of its proper divisors (27463133).

6864054451 is a wasteful number, since it uses less digits than its factorization.

6864054451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14021.

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 6864054451 is about 82849.5893230618. The cubic root of 6864054451 is about 1900.4665937168.

The spelling of 6864054451 in words is "six billion, eight hundred sixty-four million, fifty-four thousand, four hundred fifty-one".

Divisors: 1 293 1997 11731 585121 3437183 23426807 6864054451