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860160000000 = 2193577
BaseRepresentation
bin11001000010001011000…
…10000000000000000000
310001020020000210101110210
430201011202000000000
5103043101430000000
61455052501554120
7116100365236020
oct14410542000000
93036200711423
10860160000000
11301878994164
1211a855a15940
13631608c7302
142d8bc187a80
1517594aec350
hexc845880000

860160000000 has 640 divisors, whose sum is σ = 3276788486400. Its totient is φ = 196608000000.

The previous prime is 860159999977. The next prime is 860160000001. The reversal of 860160000000 is 61068.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860160000001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122879999997 + ... + 122880000003.

It is an arithmetic number, because the mean of its divisors is an integer number (5119982010).

Almost surely, 2860160000000 is an apocalyptic number.

860160000000 is a gapful number since it is divisible by the number (80) 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 860160000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638394243200).

860160000000 is an abundant number, since it is smaller than the sum of its proper divisors (2416628486400).

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

860160000000 is an frugal number, since it uses more digits than its factorization.

860160000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 860160000000 its reverse (61068), we get a palindrome (860160061068).

The spelling of 860160000000 in words is "eight hundred sixty billion, one hundred sixty million", and thus it is an aban number.