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1148750100 = 223452373833
BaseRepresentation
bin100010001111000…
…1000100100010100
32222001120112220000
41010132020210110
54323040000400
6305553411300
740316133441
oct10436104424
92861515800
101148750100
1153a491a53
12280869b30
13153cbc1b4
14ac7cc9c8
156acb5600
hex44788914

1148750100 has 180 divisors, whose sum is σ = 3825434844. Its totient is φ = 297976320.

The previous prime is 1148750033. The next prime is 1148750101. The reversal of 1148750100 is 10578411.

It can be written as a sum of positive squares in 6 ways, for example, as 4822416 + 1143927684 = 2196^2 + 33822^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148750101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 297784 + ... + 301616.

Almost surely, 21148750100 is an apocalyptic number.

1148750100 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 1148750100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912717422).

1148750100 is an abundant number, since it is smaller than the sum of its proper divisors (2676684744).

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

1148750100 is a wasteful number, since it uses less digits than its factorization.

1148750100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1148750100 is about 33893.2161353861. The cubic root of 1148750100 is about 1047.3098482788.

The spelling of 1148750100 in words is "one billion, one hundred forty-eight million, seven hundred fifty thousand, one hundred".