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6860346840 = 233551793943
BaseRepresentation
bin1100110001110100…
…01001010111011000
3122201002221201200000
412120322021113120
5103022222044330
63052425013000
7332001662124
oct63072112730
918632851600
106860346840
112a0053a136
1213b5624160
138543ba739
144911a6584
152a2430560
hex198e895d8

6860346840 has 192 divisors, whose sum is σ = 23256979200. Its totient is φ = 1818744192.

The previous prime is 6860346839. The next prime is 6860346851. The reversal of 6860346840 is 486430686.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1737909 + ... + 1741851.

It is an arithmetic number, because the mean of its divisors is an integer number (121130100).

Almost surely, 26860346840 is an apocalyptic number.

6860346840 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 6860346840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11628489600).

6860346840 is an abundant number, since it is smaller than the sum of its proper divisors (16396632360).

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

6860346840 is a wasteful number, since it uses less digits than its factorization.

6860346840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The square root of 6860346840 is about 82827.2107462276. The cubic root of 6860346840 is about 1900.1243538185.

The spelling of 6860346840 in words is "six billion, eight hundred sixty million, three hundred forty-six thousand, eight hundred forty".