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1086718680 = 2334519127139
BaseRepresentation
bin100000011000110…
…0000001011011000
32210201212000210000
41000301200023120
54211144444210
6255500053000
735633646015
oct10061401330
92721760700
101086718680
11508473913
12263b34160
131441b0708
14a448270c
1565610ac0
hex40c602d8

1086718680 has 320 divisors, whose sum is σ = 3902976000. Its totient is φ = 270418176.

The previous prime is 1086718673. The next prime is 1086718681. The reversal of 1086718680 is 868176801.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086718681) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7818051 + ... + 7818189.

It is an arithmetic number, because the mean of its divisors is an integer number (12196800).

Almost surely, 21086718680 is an apocalyptic number.

1086718680 is a gapful number since it is divisible by the number (10) 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 1086718680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1951488000).

1086718680 is an abundant number, since it is smaller than the sum of its proper divisors (2816257320).

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

1086718680 is a wasteful number, since it uses less digits than its factorization.

1086718680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 1086718680 is about 32965.4164238828. The cubic root of 1086718680 is about 1028.1087234299.

The spelling of 1086718680 in words is "one billion, eighty-six million, seven hundred eighteen thousand, six hundred eighty".