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3101243040 = 253257359857
BaseRepresentation
bin1011100011011001…
…0011011010100000
322000010112110200100
42320312103122200
522322404234130
61231422222400
7136565062620
oct27066233240
98003473610
103101243040
111351630885
12726724a00
133a5671a6c
14215c3c880
151323e1c60
hexb8d936a0

3101243040 has 288 divisors, whose sum is σ = 12142690560. Its totient is φ = 706056192.

The previous prime is 3101243029. The next prime is 3101243059. The reversal of 3101243040 is 403421013.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3618292 + ... + 3619148.

It is an arithmetic number, because the mean of its divisors is an integer number (42162120).

Almost surely, 23101243040 is an apocalyptic number.

3101243040 is a gapful number since it is divisible by the number (30) 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 3101243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6071345280).

3101243040 is an abundant number, since it is smaller than the sum of its proper divisors (9041447520).

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

3101243040 is a wasteful number, since it uses less digits than its factorization.

3101243040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3101243040 is about 55688.8053382365. The cubic root of 3101243040 is about 1458.2945997077.

Adding to 3101243040 its reverse (403421013), we get a palindrome (3504664053).

The spelling of 3101243040 in words is "three billion, one hundred one million, two hundred forty-three thousand, forty".