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7012867680 = 2533571317839
BaseRepresentation
bin1101000011111111…
…11101111001100000
3200002201221120221000
412201333331321200
5103330243231210
63115514032000
7335533251240
oct64177757140
920081846830
107012867680
112a79643315
121438718600
13879b8cb60
144a7549b20
152b0a0bac0
hex1a1ffde60

7012867680 has 384 divisors, whose sum is σ = 30210969600. Its totient is φ = 1479555072.

The previous prime is 7012867639. The next prime is 7012867747. The reversal of 7012867680 is 867682107.

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 63 ways as a sum of consecutive naturals, for example, 384201 + ... + 402039.

It is an arithmetic number, because the mean of its divisors is an integer number (78674400).

Almost surely, 27012867680 is an apocalyptic number.

7012867680 is a gapful number since it is divisible by the number (70) 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 7012867680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15105484800).

7012867680 is an abundant number, since it is smaller than the sum of its proper divisors (23198101920).

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

7012867680 is a wasteful number, since it uses less digits than its factorization.

7012867680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17883 (or 17869 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 7012867680 is about 83742.8664424618. The cubic root of 7012867680 is about 1914.1026074846.

The spelling of 7012867680 in words is "seven billion, twelve million, eight hundred sixty-seven thousand, six hundred eighty".