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6823123006464 = 210323141582499
BaseRepresentation
bin110001101001010000111…
…0100101011010000000000
3220011021200011200201121200
41203102201310223100000
51343242223442201324
622302255513421200
71302645230425212
oct143224164532000
926137604621550
106823123006464
1121a0741071146
1292244a10a800
133a6557a05acb
141983531025b2
15bc742285ec9
hex634a1d2b400

6823123006464 has 264 divisors, whose sum is σ = 20833219680000. Its totient is φ = 2147320627200.

The previous prime is 6823123006451. The next prime is 6823123006481. The reversal of 6823123006464 is 4646003213286.

6823123006464 is a `hidden beast` number, since 68 + 2 + 3 + 123 + 0 + 0 + 6 + 464 = 666.

It is a super-2 number, since 2×68231230064642 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11422287 + ... + 12004785.

Almost surely, 26823123006464 is an apocalyptic number.

6823123006464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6823123006464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10416609840000).

6823123006464 is an abundant number, since it is smaller than the sum of its proper divisors (14010096673536).

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

6823123006464 is a wasteful number, since it uses less digits than its factorization.

6823123006464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582597 (or 582576 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 6823123006464 in words is "six trillion, eight hundred twenty-three billion, one hundred twenty-three million, six thousand, four hundred sixty-four".