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8018118108 = 2232711131012203
BaseRepresentation
bin1110111011110101…
…01100010111011100
3202200210111121021100
413131322230113130
5112410114234413
63403344033100
7402460610430
oct73572542734
922623447240
108018118108
1134450228a0
121679302790
139aa217ab0
14560c629c0
1531ddc8a73
hex1ddeac5dc

8018118108 has 288 divisors, whose sum is σ = 27494917632. Its totient is φ = 1902528000.

The previous prime is 8018118103. The next prime is 8018118133.

8018118108 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

8018118108 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018118103) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3638535 + ... + 3640737.

It is an arithmetic number, because the mean of its divisors is an integer number (95468464).

Almost surely, 28018118108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8018118108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13747458816).

8018118108 is an abundant number, since it is smaller than the sum of its proper divisors (19476799524).

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

8018118108 is a wasteful number, since it uses less digits than its factorization.

8018118108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 36.

The square root of 8018118108 is about 89543.9451219344. The cubic root of 8018118108 is about 2001.5087039533.

It can be divided in two parts, 80181 and 18108, that added together give a palindrome (98289).

The spelling of 8018118108 in words is "eight billion, eighteen million, one hundred eighteen thousand, one hundred eight".