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6854513664000 = 21335331167431
BaseRepresentation
bin110001110111111000011…
…0110100010000000000000
3220021021200211202100111110
41203233300312202000000
51344301020444222000
622324530424243320
71305136144546212
oct143576066420000
926237624670443
106854513664000
112202a8a2a2822
1292854a910540
133a94bb228192
14199a9010a5b2
15bd47d00b850
hex63bf0da2000

6854513664000 has 896 divisors, whose sum is σ = 23742203756544. Its totient is φ = 1754234880000.

The previous prime is 6854513663983. The next prime is 6854513664017. The reversal of 6854513664000 is 4663154586.

It is an interprime number because it is at equal distance from previous prime (6854513663983) and next prime (6854513664017).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15903743785 + ... + 15903744215.

It is an arithmetic number, because the mean of its divisors is an integer number (26497995264).

Almost surely, 26854513664000 is an apocalyptic number.

6854513664000 is a gapful number since it is divisible by the number (60) 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 6854513664000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11871101878272).

6854513664000 is an abundant number, since it is smaller than the sum of its proper divisors (16887690092544).

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

6854513664000 is a wasteful number, since it uses less digits than its factorization.

6854513664000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 6854513664000 in words is "six trillion, eight hundred fifty-four billion, five hundred thirteen million, six hundred sixty-four thousand".