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1110397680 = 2433572331103
BaseRepresentation
bin100001000101111…
…0101001011110000
32212101102001021000
41002023311023300
54233230211210
6302103402000
736342140010
oct10213651360
92771361230
101110397680
1151a877237
1226ba53300
13149081562
14a7687c40
156773bac0
hex422f52f0

1110397680 has 640 divisors, whose sum is σ = 4753981440. Its totient is φ = 232657920.

The previous prime is 1110397679. The next prime is 1110397697. The reversal of 1110397680 is 867930111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10780509 + ... + 10780611.

It is an arithmetic number, because the mean of its divisors is an integer number (7428096).

Almost surely, 21110397680 is an apocalyptic number.

1110397680 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 1110397680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376990720).

1110397680 is an abundant number, since it is smaller than the sum of its proper divisors (3643583760).

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

1110397680 is a wasteful number, since it uses less digits than its factorization.

1110397680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1110397680 is about 33322.6301482941. The cubic root of 1110397680 is about 1035.5224415545.

The spelling of 1110397680 in words is "one billion, one hundred ten million, three hundred ninety-seven thousand, six hundred eighty".