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6411220345 = 57271763747
BaseRepresentation
bin1011111100010001…
…10111010101111001
3121112210211201221101
411332020313111321
5101112233022340
62540102411401
7314606321335
oct57610672571
917483751841
106411220345
11279aa6a812
1212ab130b61
137b233850a
1444b6947c5
15277cb5c9a
hex17e237579

6411220345 has 8 divisors (see below), whose sum is σ = 7704051264. Its totient is φ = 5121918384.

The previous prime is 6411220339. The next prime is 6411220349. The reversal of 6411220345 is 5430221146.

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 6411220345 - 217 = 6411089273 is a prime.

It is a super-2 number, since 2×64112203452 = 82207492624283838050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411220349) 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, 878239 + ... + 885508.

It is an arithmetic number, because the mean of its divisors is an integer number (963006408).

Almost surely, 26411220345 is an apocalyptic number.

It is an amenable number.

6411220345 is a deficient number, since it is larger than the sum of its proper divisors (1292830919).

6411220345 is a wasteful number, since it uses less digits than its factorization.

6411220345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764479.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6411220345 is about 80070.0964468009. The cubic root of 6411220345 is about 1857.7199047441.

The spelling of 6411220345 in words is "six billion, four hundred eleven million, two hundred twenty thousand, three hundred forty-five".

Divisors: 1 5 727 3635 1763747 8818735 1282244069 6411220345