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1080702080 = 2758918973
BaseRepresentation
bin100000001101010…
…0011010010000000
32210022112100112222
41000122203102000
54203124431310
6255123110212
735531546633
oct10032432200
92708470488
101080702080
11505034517
12261b12368
13142b84cb3
14a3757c1a
1564d23055
hex406a3480

1080702080 has 64 divisors (see below), whose sum is σ = 2612719800. Its totient is φ = 427401216.

The previous prime is 1080702071. The next prime is 1080702089. The reversal of 1080702080 is 802070801.

It is an interprime number because it is at equal distance from previous prime (1080702071) and next prime (1080702089).

It can be written as a sum of positive squares in 4 ways, for example, as 628204096 + 452497984 = 25064^2 + 21272^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1080702089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47474 + ... + 66446.

Almost surely, 21080702080 is an apocalyptic number.

1080702080 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 1080702080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306359900).

1080702080 is an abundant number, since it is smaller than the sum of its proper divisors (1532017720).

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

1080702080 is an equidigital number, since it uses as much as digits as its factorization.

1080702080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19081 (or 19069 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1080702080 is about 32874.0335219151. The cubic root of 1080702080 is about 1026.2078420542.

Adding to 1080702080 its reverse (802070801), we get a palindrome (1882772881).

The spelling of 1080702080 in words is "one billion, eighty million, seven hundred two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 89 128 160 178 320 356 445 640 712 890 1424 1780 2848 3560 5696 7120 11392 14240 18973 28480 37946 56960 75892 94865 151784 189730 303568 379460 607136 758920 1214272 1517840 1688597 2428544 3035680 3377194 6071360 6754388 8442985 12142720 13508776 16885970 27017552 33771940 54035104 67543880 108070208 135087760 216140416 270175520 540351040 1080702080